Home / 268,380.28-370,373.16-147,530.86

Finding the Fourth Proportional to 268,380.28, 370,373.16 and 147,530.86

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Solution

The fourth proportional to 268,380.28, 370,373.16 and 147,530.86 is: 203,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,380.28 : 370,373.16 = 147,530.86 : x
  2. Step 2: Convert to fraction form
    268,380.28/370,373.16 = 147,530.86/x
  3. Step 3: Cross multiply
    268,380.28x = 370,373.16 × 147,530.86
  4. Step 4: Simplify right side
    268,380.28x = 54,641,470,815.72
  5. Step 5: Solve for x
    x = 54,641,470,815.72/268,380.28
  6. Step 6: Final answer
    x = 203,597.19

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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.