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Finding the Fourth Proportional to 256,034.80, 353,325 and 141,314.32

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Solution

The fourth proportional to 256,034.80, 353,325 and 141,314.32 is: 195,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,034.80 : 353,325 = 141,314.32 : x
  2. Step 2: Convert to fraction form
    256,034.80/353,325 = 141,314.32/x
  3. Step 3: Cross multiply
    256,034.80x = 353,325 × 141,314.32
  4. Step 4: Simplify right side
    256,034.80x = 49,929,882,114
  5. Step 5: Solve for x
    x = 49,929,882,114/256,034.80
  6. Step 6: Final answer
    x = 195,012.09

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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.