Home / 741,135.76-1,111,200.63-235,545.10

Finding the Fourth Proportional to 741,135.76, 1,111,200.63 and 235,545.10

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Solution

The fourth proportional to 741,135.76, 1,111,200.63 and 235,545.10 is: 353,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,135.76 : 1,111,200.63 = 235,545.10 : x
  2. Step 2: Convert to fraction form
    741,135.76/1,111,200.63 = 235,545.10/x
  3. Step 3: Cross multiply
    741,135.76x = 1,111,200.63 × 235,545.10
  4. Step 4: Simplify right side
    741,135.76x = 261,737,859,852.12
  5. Step 5: Solve for x
    x = 261,737,859,852.12/741,135.76
  6. Step 6: Final answer
    x = 353,157.78

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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.