Home / 355,276.14-490,275.22-194,127.72

Finding the Fourth Proportional to 355,276.14, 490,275.22 and 194,127.72

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Solution

The fourth proportional to 355,276.14, 490,275.22 and 194,127.72 is: 267,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,276.14 : 490,275.22 = 194,127.72 : x
  2. Step 2: Convert to fraction form
    355,276.14/490,275.22 = 194,127.72/x
  3. Step 3: Cross multiply
    355,276.14x = 490,275.22 × 194,127.72
  4. Step 4: Simplify right side
    355,276.14x = 95,176,010,631.10
  5. Step 5: Solve for x
    x = 95,176,010,631.10/355,276.14
  6. Step 6: Final answer
    x = 267,893.06

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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.