Home / 256,231.29-353,572.20-148,780.29

Finding the Fourth Proportional to 256,231.29, 353,572.20 and 148,780.29

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Solution

The fourth proportional to 256,231.29, 353,572.20 and 148,780.29 is: 205,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,231.29 : 353,572.20 = 148,780.29 : x
  2. Step 2: Convert to fraction form
    256,231.29/353,572.20 = 148,780.29/x
  3. Step 3: Cross multiply
    256,231.29x = 353,572.20 × 148,780.29
  4. Step 4: Simplify right side
    256,231.29x = 52,604,574,451.94
  5. Step 5: Solve for x
    x = 52,604,574,451.94/256,231.29
  6. Step 6: Final answer
    x = 205,301.13

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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.