Home / 308,127.72-425,177.18-180,756.84

Finding the Fourth Proportional to 308,127.72, 425,177.18 and 180,756.84

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Solution

The fourth proportional to 308,127.72, 425,177.18 and 180,756.84 is: 249,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,127.72 : 425,177.18 = 180,756.84 : x
  2. Step 2: Convert to fraction form
    308,127.72/425,177.18 = 180,756.84/x
  3. Step 3: Cross multiply
    308,127.72x = 425,177.18 × 180,756.84
  4. Step 4: Simplify right side
    308,127.72x = 76,853,684,865.38
  5. Step 5: Solve for x
    x = 76,853,684,865.38/308,127.72
  6. Step 6: Final answer
    x = 249,421.52

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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.