Home / 385,100.20-577,343.10-163,301.80

Finding the Fourth Proportional to 385,100.20, 577,343.10 and 163,301.80

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Solution

The fourth proportional to 385,100.20, 577,343.10 and 163,301.80 is: 244,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,100.20 : 577,343.10 = 163,301.80 : x
  2. Step 2: Convert to fraction form
    385,100.20/577,343.10 = 163,301.80/x
  3. Step 3: Cross multiply
    385,100.20x = 577,343.10 × 163,301.80
  4. Step 4: Simplify right side
    385,100.20x = 94,281,167,447.58
  5. Step 5: Solve for x
    x = 94,281,167,447.58/385,100.20
  6. Step 6: Final answer
    x = 244,822.43

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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.