Home / 389,976.23-584,590.65-165,027.22

Finding the Fourth Proportional to 389,976.23, 584,590.65 and 165,027.22

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Solution

The fourth proportional to 389,976.23, 584,590.65 and 165,027.22 is: 247,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,976.23 : 584,590.65 = 165,027.22 : x
  2. Step 2: Convert to fraction form
    389,976.23/584,590.65 = 165,027.22/x
  3. Step 3: Cross multiply
    389,976.23x = 584,590.65 × 165,027.22
  4. Step 4: Simplify right side
    389,976.23x = 96,473,369,807.49
  5. Step 5: Solve for x
    x = 96,473,369,807.49/389,976.23
  6. Step 6: Final answer
    x = 247,382.69

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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.