Home / 371,749.52-557,645.40-105,488.96

Finding the Fourth Proportional to 371,749.52, 557,645.40 and 105,488.96

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Solution

The fourth proportional to 371,749.52, 557,645.40 and 105,488.96 is: 158,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,749.52 : 557,645.40 = 105,488.96 : x
  2. Step 2: Convert to fraction form
    371,749.52/557,645.40 = 105,488.96/x
  3. Step 3: Cross multiply
    371,749.52x = 557,645.40 × 105,488.96
  4. Step 4: Simplify right side
    371,749.52x = 58,825,433,294.78
  5. Step 5: Solve for x
    x = 58,825,433,294.78/371,749.52
  6. Step 6: Final answer
    x = 158,239.43

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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.