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Finding the Fourth Proportional to 268,309.76, 370,249.57 and 147,448.45

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Solution

The fourth proportional to 268,309.76, 370,249.57 and 147,448.45 is: 203,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,309.76 : 370,249.57 = 147,448.45 : x
  2. Step 2: Convert to fraction form
    268,309.76/370,249.57 = 147,448.45/x
  3. Step 3: Cross multiply
    268,309.76x = 370,249.57 × 147,448.45
  4. Step 4: Simplify right side
    268,309.76x = 54,592,725,209.67
  5. Step 5: Solve for x
    x = 54,592,725,209.67/268,309.76
  6. Step 6: Final answer
    x = 203,469.02

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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.