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Finding the Fourth Proportional to 251,857.80, 377,495.10 and 101,999.70

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Solution

The fourth proportional to 251,857.80, 377,495.10 and 101,999.70 is: 152,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,857.80 : 377,495.10 = 101,999.70 : x
  2. Step 2: Convert to fraction form
    251,857.80/377,495.10 = 101,999.70/x
  3. Step 3: Cross multiply
    251,857.80x = 377,495.10 × 101,999.70
  4. Step 4: Simplify right side
    251,857.80x = 38,504,386,951.47
  5. Step 5: Solve for x
    x = 38,504,386,951.47/251,857.80
  6. Step 6: Final answer
    x = 152,881.46

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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.