Home / 389,973.98-584,587.28-165,024.97

Finding the Fourth Proportional to 389,973.98, 584,587.28 and 165,024.97

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Solution

The fourth proportional to 389,973.98, 584,587.28 and 165,024.97 is: 247,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,973.98 : 584,587.28 = 165,024.97 : x
  2. Step 2: Convert to fraction form
    389,973.98/584,587.28 = 165,024.97/x
  3. Step 3: Cross multiply
    389,973.98x = 584,587.28 × 165,024.97
  4. Step 4: Simplify right side
    389,973.98x = 96,471,496,470.35
  5. Step 5: Solve for x
    x = 96,471,496,470.35/389,973.98
  6. Step 6: Final answer
    x = 247,379.32

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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.