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Finding the Fourth Proportional to 307,988.01, 425,026.71 and 180,665.73

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Solution

The fourth proportional to 307,988.01, 425,026.71 and 180,665.73 is: 249,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,988.01 : 425,026.71 = 180,665.73 : x
  2. Step 2: Convert to fraction form
    307,988.01/425,026.71 = 180,665.73/x
  3. Step 3: Cross multiply
    307,988.01x = 425,026.71 × 180,665.73
  4. Step 4: Simplify right side
    307,988.01x = 76,787,760,831.65
  5. Step 5: Solve for x
    x = 76,787,760,831.65/307,988.01
  6. Step 6: Final answer
    x = 249,320.62

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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.