Home / 352,705.59-486,402.17-272,005.29

Finding the Fourth Proportional to 352,705.59, 486,402.17 and 272,005.29

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Solution

The fourth proportional to 352,705.59, 486,402.17 and 272,005.29 is: 375,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,705.59 : 486,402.17 = 272,005.29 : x
  2. Step 2: Convert to fraction form
    352,705.59/486,402.17 = 272,005.29/x
  3. Step 3: Cross multiply
    352,705.59x = 486,402.17 × 272,005.29
  4. Step 4: Simplify right side
    352,705.59x = 132,303,961,947.45
  5. Step 5: Solve for x
    x = 132,303,961,947.45/352,705.59
  6. Step 6: Final answer
    x = 375,111.61

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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.