Home / 355,250.09-490,248.56-194,105.12

Finding the Fourth Proportional to 355,250.09, 490,248.56 and 194,105.12

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Solution

The fourth proportional to 355,250.09, 490,248.56 and 194,105.12 is: 267,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,250.09 : 490,248.56 = 194,105.12 : x
  2. Step 2: Convert to fraction form
    355,250.09/490,248.56 = 194,105.12/x
  3. Step 3: Cross multiply
    355,250.09x = 490,248.56 × 194,105.12
  4. Step 4: Simplify right side
    355,250.09x = 95,159,755,568.63
  5. Step 5: Solve for x
    x = 95,159,755,568.63/355,250.09
  6. Step 6: Final answer
    x = 267,866.94

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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.