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Finding the Fourth Proportional to 402,014.60, 602,147.10 and 349,526.60

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Solution

The fourth proportional to 402,014.60, 602,147.10 and 349,526.60 is: 523,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,014.60 : 602,147.10 = 349,526.60 : x
  2. Step 2: Convert to fraction form
    402,014.60/602,147.10 = 349,526.60/x
  3. Step 3: Cross multiply
    402,014.60x = 602,147.10 × 349,526.60
  4. Step 4: Simplify right side
    402,014.60x = 210,466,428,562.86
  5. Step 5: Solve for x
    x = 210,466,428,562.86/402,014.60
  6. Step 6: Final answer
    x = 523,529.32

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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.