Home / 426,138.04-639,041.01-159,753.25

Finding the Fourth Proportional to 426,138.04, 639,041.01 and 159,753.25

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Solution

The fourth proportional to 426,138.04, 639,041.01 and 159,753.25 is: 239,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,138.04 : 639,041.01 = 159,753.25 : x
  2. Step 2: Convert to fraction form
    426,138.04/639,041.01 = 159,753.25/x
  3. Step 3: Cross multiply
    426,138.04x = 639,041.01 × 159,753.25
  4. Step 4: Simplify right side
    426,138.04x = 102,088,878,230.78
  5. Step 5: Solve for x
    x = 102,088,878,230.78/426,138.04
  6. Step 6: Final answer
    x = 239,567.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.