Home / 268,770.15-370,902.87-147,911.40

Finding the Fourth Proportional to 268,770.15, 370,902.87 and 147,911.40

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Solution

The fourth proportional to 268,770.15, 370,902.87 and 147,911.40 is: 204,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,770.15 : 370,902.87 = 147,911.40 : x
  2. Step 2: Convert to fraction form
    268,770.15/370,902.87 = 147,911.40/x
  3. Step 3: Cross multiply
    268,770.15x = 370,902.87 × 147,911.40
  4. Step 4: Simplify right side
    268,770.15x = 54,860,762,765.72
  5. Step 5: Solve for x
    x = 54,860,762,765.72/268,770.15
  6. Step 6: Final answer
    x = 204,117.77

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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.