Home / 216,442.40-298,690.03-120,949.10

Finding the Fourth Proportional to 216,442.40, 298,690.03 and 120,949.10

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Solution

The fourth proportional to 216,442.40, 298,690.03 and 120,949.10 is: 166,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,442.40 : 298,690.03 = 120,949.10 : x
  2. Step 2: Convert to fraction form
    216,442.40/298,690.03 = 120,949.10/x
  3. Step 3: Cross multiply
    216,442.40x = 298,690.03 × 120,949.10
  4. Step 4: Simplify right side
    216,442.40x = 36,126,290,085.30
  5. Step 5: Solve for x
    x = 36,126,290,085.30/216,442.40
  6. Step 6: Final answer
    x = 166,909.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.