Home / 385,016.08-577,622.52-148,295.20

Finding the Fourth Proportional to 385,016.08, 577,622.52 and 148,295.20

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Solution

The fourth proportional to 385,016.08, 577,622.52 and 148,295.20 is: 222,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,016.08 : 577,622.52 = 148,295.20 : x
  2. Step 2: Convert to fraction form
    385,016.08/577,622.52 = 148,295.20/x
  3. Step 3: Cross multiply
    385,016.08x = 577,622.52 × 148,295.20
  4. Step 4: Simplify right side
    385,016.08x = 85,658,647,127.90
  5. Step 5: Solve for x
    x = 85,658,647,127.90/385,016.08
  6. Step 6: Final answer
    x = 222,480.70

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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.