Home / 375,328.68-517,966.02-205,572.12

Finding the Fourth Proportional to 375,328.68, 517,966.02 and 205,572.12

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Solution

The fourth proportional to 375,328.68, 517,966.02 and 205,572.12 is: 283,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,328.68 : 517,966.02 = 205,572.12 : x
  2. Step 2: Convert to fraction form
    375,328.68/517,966.02 = 205,572.12/x
  3. Step 3: Cross multiply
    375,328.68x = 517,966.02 × 205,572.12
  4. Step 4: Simplify right side
    375,328.68x = 106,479,372,819.36
  5. Step 5: Solve for x
    x = 106,479,372,819.36/375,328.68
  6. Step 6: Final answer
    x = 283,696.34

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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.