Home / 268,630.27-370,710.63-147,780.75

Finding the Fourth Proportional to 268,630.27, 370,710.63 and 147,780.75

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Solution

The fourth proportional to 268,630.27, 370,710.63 and 147,780.75 is: 203,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,630.27 : 370,710.63 = 147,780.75 : x
  2. Step 2: Convert to fraction form
    268,630.27/370,710.63 = 147,780.75/x
  3. Step 3: Cross multiply
    268,630.27x = 370,710.63 × 147,780.75
  4. Step 4: Simplify right side
    268,630.27x = 54,783,892,341.92
  5. Step 5: Solve for x
    x = 54,783,892,341.92/268,630.27
  6. Step 6: Final answer
    x = 203,937.90

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1.5x scale

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.