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Finding the Fourth Proportional to 256,302.52, 353,700.76 and 141,580.70

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Solution

The fourth proportional to 256,302.52, 353,700.76 and 141,580.70 is: 195,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,302.52 : 353,700.76 = 141,580.70 : x
  2. Step 2: Convert to fraction form
    256,302.52/353,700.76 = 141,580.70/x
  3. Step 3: Cross multiply
    256,302.52x = 353,700.76 × 141,580.70
  4. Step 4: Simplify right side
    256,302.52x = 50,077,199,864.68
  5. Step 5: Solve for x
    x = 50,077,199,864.68/256,302.52
  6. Step 6: Final answer
    x = 195,383.18

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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.