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Finding the Fourth Proportional to 350,002.40, 524,420.40 and 329,007.20

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Solution

The fourth proportional to 350,002.40, 524,420.40 and 329,007.20 is: 492,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,002.40 : 524,420.40 = 329,007.20 : x
  2. Step 2: Convert to fraction form
    350,002.40/524,420.40 = 329,007.20/x
  3. Step 3: Cross multiply
    350,002.40x = 524,420.40 × 329,007.20
  4. Step 4: Simplify right side
    350,002.40x = 172,538,087,426.88
  5. Step 5: Solve for x
    x = 172,538,087,426.88/350,002.40
  6. Step 6: Final answer
    x = 492,962.58

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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.