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Finding the Fourth Proportional to 454,018.48, 626,539.62 and 250,065.52

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Solution

The fourth proportional to 454,018.48, 626,539.62 and 250,065.52 is: 345,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,018.48 : 626,539.62 = 250,065.52 : x
  2. Step 2: Convert to fraction form
    454,018.48/626,539.62 = 250,065.52/x
  3. Step 3: Cross multiply
    454,018.48x = 626,539.62 × 250,065.52
  4. Step 4: Simplify right side
    454,018.48x = 156,675,955,875.90
  5. Step 5: Solve for x
    x = 156,675,955,875.90/454,018.48
  6. Step 6: Final answer
    x = 345,087.18

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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.