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Finding the Fourth Proportional to 251,861.80, 377,501.10 and 102,003.70

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Solution

The fourth proportional to 251,861.80, 377,501.10 and 102,003.70 is: 152,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,861.80 : 377,501.10 = 102,003.70 : x
  2. Step 2: Convert to fraction form
    251,861.80/377,501.10 = 102,003.70/x
  3. Step 3: Cross multiply
    251,861.80x = 377,501.10 × 102,003.70
  4. Step 4: Simplify right side
    251,861.80x = 38,506,508,954.07
  5. Step 5: Solve for x
    x = 38,506,508,954.07/251,861.80
  6. Step 6: Final answer
    x = 152,887.45

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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.