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Finding the Fourth Proportional to 277,008.48, 382,248.74 and 156,179.48

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Solution

The fourth proportional to 277,008.48, 382,248.74 and 156,179.48 is: 215,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,008.48 : 382,248.74 = 156,179.48 : x
  2. Step 2: Convert to fraction form
    277,008.48/382,248.74 = 156,179.48/x
  3. Step 3: Cross multiply
    277,008.48x = 382,248.74 × 156,179.48
  4. Step 4: Simplify right side
    277,008.48x = 59,699,407,923.06
  5. Step 5: Solve for x
    x = 59,699,407,923.06/277,008.48
  6. Step 6: Final answer
    x = 215,514.73

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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.