Home / 385,218.41-577,906.43-132,466.08

Finding the Fourth Proportional to 385,218.41, 577,906.43 and 132,466.08

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Solution

The fourth proportional to 385,218.41, 577,906.43 and 132,466.08 is: 198,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,218.41 : 577,906.43 = 132,466.08 : x
  2. Step 2: Convert to fraction form
    385,218.41/577,906.43 = 132,466.08/x
  3. Step 3: Cross multiply
    385,218.41x = 577,906.43 × 132,466.08
  4. Step 4: Simplify right side
    385,218.41x = 76,552,999,388.89
  5. Step 5: Solve for x
    x = 76,552,999,388.89/385,218.41
  6. Step 6: Final answer
    x = 198,726.22

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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.