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Finding the Fourth Proportional to 536,007.54, 804,021.62 and 131,203.22

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Solution

The fourth proportional to 536,007.54, 804,021.62 and 131,203.22 is: 196,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,007.54 : 804,021.62 = 131,203.22 : x
  2. Step 2: Convert to fraction form
    536,007.54/804,021.62 = 131,203.22/x
  3. Step 3: Cross multiply
    536,007.54x = 804,021.62 × 131,203.22
  4. Step 4: Simplify right side
    536,007.54x = 105,490,223,447.81
  5. Step 5: Solve for x
    x = 105,490,223,447.81/536,007.54
  6. Step 6: Final answer
    x = 196,807.35

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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.