Home / 291,677.13-402,514.70-157,541.13

Finding the Fourth Proportional to 291,677.13, 402,514.70 and 157,541.13

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Solution

The fourth proportional to 291,677.13, 402,514.70 and 157,541.13 is: 217,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,677.13 : 402,514.70 = 157,541.13 : x
  2. Step 2: Convert to fraction form
    291,677.13/402,514.70 = 157,541.13/x
  3. Step 3: Cross multiply
    291,677.13x = 402,514.70 × 157,541.13
  4. Step 4: Simplify right side
    291,677.13x = 63,412,620,679.61
  5. Step 5: Solve for x
    x = 63,412,620,679.61/291,677.13
  6. Step 6: Final answer
    x = 217,406.90

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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.