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Finding the Fourth Proportional to 237,805.71, 356,307.39 and 117,702.51

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Solution

The fourth proportional to 237,805.71, 356,307.39 and 117,702.51 is: 176,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,805.71 : 356,307.39 = 117,702.51 : x
  2. Step 2: Convert to fraction form
    237,805.71/356,307.39 = 117,702.51/x
  3. Step 3: Cross multiply
    237,805.71x = 356,307.39 × 117,702.51
  4. Step 4: Simplify right side
    237,805.71x = 41,938,274,134.55
  5. Step 5: Solve for x
    x = 41,938,274,134.55/237,805.71
  6. Step 6: Final answer
    x = 176,355.20

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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.