Home / 229,272.30-316,433.42-133,778.76

Finding the Fourth Proportional to 229,272.30, 316,433.42 and 133,778.76

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Solution

The fourth proportional to 229,272.30, 316,433.42 and 133,778.76 is: 184,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,272.30 : 316,433.42 = 133,778.76 : x
  2. Step 2: Convert to fraction form
    229,272.30/316,433.42 = 133,778.76/x
  3. Step 3: Cross multiply
    229,272.30x = 316,433.42 × 133,778.76
  4. Step 4: Simplify right side
    229,272.30x = 42,332,070,550.16
  5. Step 5: Solve for x
    x = 42,332,070,550.16/229,272.30
  6. Step 6: Final answer
    x = 184,636.65

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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.