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Finding the Fourth Proportional to 177,679.98, 245,039.65 and 147,417.37

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Solution

The fourth proportional to 177,679.98, 245,039.65 and 147,417.37 is: 203,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,679.98 : 245,039.65 = 147,417.37 : x
  2. Step 2: Convert to fraction form
    177,679.98/245,039.65 = 147,417.37/x
  3. Step 3: Cross multiply
    177,679.98x = 245,039.65 × 147,417.37
  4. Step 4: Simplify right side
    177,679.98x = 36,123,099,767.58
  5. Step 5: Solve for x
    x = 36,123,099,767.58/177,679.98
  6. Step 6: Final answer
    x = 203,304.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.