Home / 278,747.06-384,726.96-165,547.94

Finding the Fourth Proportional to 278,747.06, 384,726.96 and 165,547.94

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Solution

The fourth proportional to 278,747.06, 384,726.96 and 165,547.94 is: 228,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,747.06 : 384,726.96 = 165,547.94 : x
  2. Step 2: Convert to fraction form
    278,747.06/384,726.96 = 165,547.94/x
  3. Step 3: Cross multiply
    278,747.06x = 384,726.96 × 165,547.94
  4. Step 4: Simplify right side
    278,747.06x = 63,690,755,690.46
  5. Step 5: Solve for x
    x = 63,690,755,690.46/278,747.06
  6. Step 6: Final answer
    x = 228,489.43

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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.