Home / 340,142.90-469,385.44-187,166.79

Finding the Fourth Proportional to 340,142.90, 469,385.44 and 187,166.79

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Solution

The fourth proportional to 340,142.90, 469,385.44 and 187,166.79 is: 258,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,142.90 : 469,385.44 = 187,166.79 : x
  2. Step 2: Convert to fraction form
    340,142.90/469,385.44 = 187,166.79/x
  3. Step 3: Cross multiply
    340,142.90x = 469,385.44 × 187,166.79
  4. Step 4: Simplify right side
    340,142.90x = 87,853,367,456.17
  5. Step 5: Solve for x
    x = 87,853,367,456.17/340,142.90
  6. Step 6: Final answer
    x = 258,283.70

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1.5x scale

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.