Home / 372,520.17-514,077.75-202,755.51

Finding the Fourth Proportional to 372,520.17, 514,077.75 and 202,755.51

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Solution

The fourth proportional to 372,520.17, 514,077.75 and 202,755.51 is: 279,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,520.17 : 514,077.75 = 202,755.51 : x
  2. Step 2: Convert to fraction form
    372,520.17/514,077.75 = 202,755.51/x
  3. Step 3: Cross multiply
    372,520.17x = 514,077.75 × 202,755.51
  4. Step 4: Simplify right side
    372,520.17x = 104,232,096,380.90
  5. Step 5: Solve for x
    x = 104,232,096,380.90/372,520.17
  6. Step 6: Final answer
    x = 279,802.56

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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.