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Finding the Fourth Proportional to 502,182.36, 753,274.80 and 123,104.79

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Solution

The fourth proportional to 502,182.36, 753,274.80 and 123,104.79 is: 184,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,182.36 : 753,274.80 = 123,104.79 : x
  2. Step 2: Convert to fraction form
    502,182.36/753,274.80 = 123,104.79/x
  3. Step 3: Cross multiply
    502,182.36x = 753,274.80 × 123,104.79
  4. Step 4: Simplify right side
    502,182.36x = 92,731,736,066.29
  5. Step 5: Solve for x
    x = 92,731,736,066.29/502,182.36
  6. Step 6: Final answer
    x = 184,657.49

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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.