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Finding the Fourth Proportional to 384,201.80, 576,302.70 and 364,518.80

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Solution

The fourth proportional to 384,201.80, 576,302.70 and 364,518.80 is: 546,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,201.80 : 576,302.70 = 364,518.80 : x
  2. Step 2: Convert to fraction form
    384,201.80/576,302.70 = 364,518.80/x
  3. Step 3: Cross multiply
    384,201.80x = 576,302.70 × 364,518.80
  4. Step 4: Simplify right side
    384,201.80x = 210,073,168,640.76
  5. Step 5: Solve for x
    x = 210,073,168,640.76/384,201.80
  6. Step 6: Final answer
    x = 546,778.20

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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.