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Finding the Fourth Proportional to 442,035.60, 663,053.40 and 353,462.10

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Solution

The fourth proportional to 442,035.60, 663,053.40 and 353,462.10 is: 530,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,035.60 : 663,053.40 = 353,462.10 : x
  2. Step 2: Convert to fraction form
    442,035.60/663,053.40 = 353,462.10/x
  3. Step 3: Cross multiply
    442,035.60x = 663,053.40 × 353,462.10
  4. Step 4: Simplify right side
    442,035.60x = 234,364,247,176.14
  5. Step 5: Solve for x
    x = 234,364,247,176.14/442,035.60
  6. Step 6: Final answer
    x = 530,193.15

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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.