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Finding the Fourth Proportional to 234,590.88, 323,778.72 and 133,988.80

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Solution

The fourth proportional to 234,590.88, 323,778.72 and 133,988.80 is: 184,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,590.88 : 323,778.72 = 133,988.80 : x
  2. Step 2: Convert to fraction form
    234,590.88/323,778.72 = 133,988.80/x
  3. Step 3: Cross multiply
    234,590.88x = 323,778.72 × 133,988.80
  4. Step 4: Simplify right side
    234,590.88x = 43,382,722,158.34
  5. Step 5: Solve for x
    x = 43,382,722,158.34/234,590.88
  6. Step 6: Final answer
    x = 184,929.28

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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.