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Finding the Fourth Proportional to 251,590.82, 377,343.84 and 71,663.58

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Solution

The fourth proportional to 251,590.82, 377,343.84 and 71,663.58 is: 107,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,590.82 : 377,343.84 = 71,663.58 : x
  2. Step 2: Convert to fraction form
    251,590.82/377,343.84 = 71,663.58/x
  3. Step 3: Cross multiply
    251,590.82x = 377,343.84 × 71,663.58
  4. Step 4: Simplify right side
    251,590.82x = 27,041,810,465.35
  5. Step 5: Solve for x
    x = 27,041,810,465.35/251,590.82
  6. Step 6: Final answer
    x = 107,483.30

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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.