Home / 268,400.34-370,400.76-147,550.86

Finding the Fourth Proportional to 268,400.34, 370,400.76 and 147,550.86

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Solution

The fourth proportional to 268,400.34, 370,400.76 and 147,550.86 is: 203,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,400.34 : 370,400.76 = 147,550.86 : x
  2. Step 2: Convert to fraction form
    268,400.34/370,400.76 = 147,550.86/x
  3. Step 3: Cross multiply
    268,400.34x = 370,400.76 × 147,550.86
  4. Step 4: Simplify right side
    268,400.34x = 54,652,950,682.65
  5. Step 5: Solve for x
    x = 54,652,950,682.65/268,400.34
  6. Step 6: Final answer
    x = 203,624.74

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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.