Home / 308,206.17-425,326.09-172,242.39

Finding the Fourth Proportional to 308,206.17, 425,326.09 and 172,242.39

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Solution

The fourth proportional to 308,206.17, 425,326.09 and 172,242.39 is: 237,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,206.17 : 425,326.09 = 172,242.39 : x
  2. Step 2: Convert to fraction form
    308,206.17/425,326.09 = 172,242.39/x
  3. Step 3: Cross multiply
    308,206.17x = 425,326.09 × 172,242.39
  4. Step 4: Simplify right side
    308,206.17x = 73,259,182,270.96
  5. Step 5: Solve for x
    x = 73,259,182,270.96/308,206.17
  6. Step 6: Final answer
    x = 237,695.38

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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.