Home / 237,449.71-327,681.14-128,555.20

Finding the Fourth Proportional to 237,449.71, 327,681.14 and 128,555.20

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Solution

The fourth proportional to 237,449.71, 327,681.14 and 128,555.20 is: 177,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,449.71 : 327,681.14 = 128,555.20 : x
  2. Step 2: Convert to fraction form
    237,449.71/327,681.14 = 128,555.20/x
  3. Step 3: Cross multiply
    237,449.71x = 327,681.14 × 128,555.20
  4. Step 4: Simplify right side
    237,449.71x = 42,125,114,488.93
  5. Step 5: Solve for x
    x = 42,125,114,488.93/237,449.71
  6. Step 6: Final answer
    x = 177,406.47

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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.