Home / 238,911.19-358,048.29-89,000.53

Finding the Fourth Proportional to 238,911.19, 358,048.29 and 89,000.53

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Solution

The fourth proportional to 238,911.19, 358,048.29 and 89,000.53 is: 133,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,911.19 : 358,048.29 = 89,000.53 : x
  2. Step 2: Convert to fraction form
    238,911.19/358,048.29 = 89,000.53/x
  3. Step 3: Cross multiply
    238,911.19x = 358,048.29 × 89,000.53
  4. Step 4: Simplify right side
    238,911.19x = 31,866,487,575.59
  5. Step 5: Solve for x
    x = 31,866,487,575.59/238,911.19
  6. Step 6: Final answer
    x = 133,382.15

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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.