Home / 548,117.20-822,175.80-148,807.45

Finding the Fourth Proportional to 548,117.20, 822,175.80 and 148,807.45

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Solution

The fourth proportional to 548,117.20, 822,175.80 and 148,807.45 is: 223,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,117.20 : 822,175.80 = 148,807.45 : x
  2. Step 2: Convert to fraction form
    548,117.20/822,175.80 = 148,807.45/x
  3. Step 3: Cross multiply
    548,117.20x = 822,175.80 × 148,807.45
  4. Step 4: Simplify right side
    548,117.20x = 122,345,884,249.71
  5. Step 5: Solve for x
    x = 122,345,884,249.71/548,117.20
  6. Step 6: Final answer
    x = 223,211.18

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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.