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Finding the Fourth Proportional to 642,395.80, 963,265.65 and 237,567.52

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Solution

The fourth proportional to 642,395.80, 963,265.65 and 237,567.52 is: 356,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,395.80 : 963,265.65 = 237,567.52 : x
  2. Step 2: Convert to fraction form
    642,395.80/963,265.65 = 237,567.52/x
  3. Step 3: Cross multiply
    642,395.80x = 963,265.65 × 237,567.52
  4. Step 4: Simplify right side
    642,395.80x = 228,840,631,571.69
  5. Step 5: Solve for x
    x = 228,840,631,571.69/642,395.80
  6. Step 6: Final answer
    x = 356,229.96

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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.