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Finding the Fourth Proportional to 429,772.83, 644,659.25 and 149,290.35

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Solution

The fourth proportional to 429,772.83, 644,659.25 and 149,290.35 is: 223,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,772.83 : 644,659.25 = 149,290.35 : x
  2. Step 2: Convert to fraction form
    429,772.83/644,659.25 = 149,290.35/x
  3. Step 3: Cross multiply
    429,772.83x = 644,659.25 × 149,290.35
  4. Step 4: Simplify right side
    429,772.83x = 96,241,404,316.79
  5. Step 5: Solve for x
    x = 96,241,404,316.79/429,772.83
  6. Step 6: Final answer
    x = 223,935.53

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Similar ratio
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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.