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Finding the Fourth Proportional to 234,669.61, 351,494.65 and 144,437.29

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Solution

The fourth proportional to 234,669.61, 351,494.65 and 144,437.29 is: 216,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,669.61 : 351,494.65 = 144,437.29 : x
  2. Step 2: Convert to fraction form
    234,669.61/351,494.65 = 144,437.29/x
  3. Step 3: Cross multiply
    234,669.61x = 351,494.65 × 144,437.29
  4. Step 4: Simplify right side
    234,669.61x = 50,768,934,695.50
  5. Step 5: Solve for x
    x = 50,768,934,695.50/234,669.61
  6. Step 6: Final answer
    x = 216,342.18

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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.