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Finding the Fourth Proportional to 536,467.10, 804,700.65 and 203,999.90

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Solution

The fourth proportional to 536,467.10, 804,700.65 and 203,999.90 is: 305,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,467.10 : 804,700.65 = 203,999.90 : x
  2. Step 2: Convert to fraction form
    536,467.10/804,700.65 = 203,999.90/x
  3. Step 3: Cross multiply
    536,467.10x = 804,700.65 × 203,999.90
  4. Step 4: Simplify right side
    536,467.10x = 164,158,852,129.94
  5. Step 5: Solve for x
    x = 164,158,852,129.94/536,467.10
  6. Step 6: Final answer
    x = 305,999.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.