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Finding the Fourth Proportional to 372,582, 514,163.22 and 202,817.40

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Solution

The fourth proportional to 372,582, 514,163.22 and 202,817.40 is: 279,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,582 : 514,163.22 = 202,817.40 : x
  2. Step 2: Convert to fraction form
    372,582/514,163.22 = 202,817.40/x
  3. Step 3: Cross multiply
    372,582x = 514,163.22 × 202,817.40
  4. Step 4: Simplify right side
    372,582x = 104,281,247,456.03
  5. Step 5: Solve for x
    x = 104,281,247,456.03/372,582
  6. Step 6: Final answer
    x = 279,888.04

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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.