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Finding the Fourth Proportional to 498,233.70, 747,459.90 and 245,635.20

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Solution

The fourth proportional to 498,233.70, 747,459.90 and 245,635.20 is: 368,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,233.70 : 747,459.90 = 245,635.20 : x
  2. Step 2: Convert to fraction form
    498,233.70/747,459.90 = 245,635.20/x
  3. Step 3: Cross multiply
    498,233.70x = 747,459.90 × 245,635.20
  4. Step 4: Simplify right side
    498,233.70x = 183,602,462,028.48
  5. Step 5: Solve for x
    x = 183,602,462,028.48/498,233.70
  6. Step 6: Final answer
    x = 368,506.71

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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.