Home / 548,287.20-822,430.80-148,977.45

Finding the Fourth Proportional to 548,287.20, 822,430.80 and 148,977.45

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Solution

The fourth proportional to 548,287.20, 822,430.80 and 148,977.45 is: 223,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,287.20 : 822,430.80 = 148,977.45 : x
  2. Step 2: Convert to fraction form
    548,287.20/822,430.80 = 148,977.45/x
  3. Step 3: Cross multiply
    548,287.20x = 822,430.80 × 148,977.45
  4. Step 4: Simplify right side
    548,287.20x = 122,523,643,385.46
  5. Step 5: Solve for x
    x = 122,523,643,385.46/548,287.20
  6. Step 6: Final answer
    x = 223,466.18

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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.