Home / 274,217.20-411,325.80-163,625.20

Finding the Fourth Proportional to 274,217.20, 411,325.80 and 163,625.20

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Solution

The fourth proportional to 274,217.20, 411,325.80 and 163,625.20 is: 245,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,217.20 : 411,325.80 = 163,625.20 : x
  2. Step 2: Convert to fraction form
    274,217.20/411,325.80 = 163,625.20/x
  3. Step 3: Cross multiply
    274,217.20x = 411,325.80 × 163,625.20
  4. Step 4: Simplify right side
    274,217.20x = 67,303,266,290.16
  5. Step 5: Solve for x
    x = 67,303,266,290.16/274,217.20
  6. Step 6: Final answer
    x = 245,437.80

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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.