Home / 563,738.45-845,517.65-164,285.78

Finding the Fourth Proportional to 563,738.45, 845,517.65 and 164,285.78

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Solution

The fourth proportional to 563,738.45, 845,517.65 and 164,285.78 is: 246,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,738.45 : 845,517.65 = 164,285.78 : x
  2. Step 2: Convert to fraction form
    563,738.45/845,517.65 = 164,285.78/x
  3. Step 3: Cross multiply
    563,738.45x = 845,517.65 × 164,285.78
  4. Step 4: Simplify right side
    563,738.45x = 138,906,521,585.00
  5. Step 5: Solve for x
    x = 138,906,521,585.00/563,738.45
  6. Step 6: Final answer
    x = 246,402.43

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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.