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Finding the Fourth Proportional to 358,073.52, 537,070.02 and 91,840.26

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Solution

The fourth proportional to 358,073.52, 537,070.02 and 91,840.26 is: 137,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,073.52 : 537,070.02 = 91,840.26 : x
  2. Step 2: Convert to fraction form
    358,073.52/537,070.02 = 91,840.26/x
  3. Step 3: Cross multiply
    358,073.52x = 537,070.02 × 91,840.26
  4. Step 4: Simplify right side
    358,073.52x = 49,324,650,275.01
  5. Step 5: Solve for x
    x = 49,324,650,275.01/358,073.52
  6. Step 6: Final answer
    x = 137,750.06

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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.