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Finding the Fourth Proportional to 225,558.96, 338,314.59 and 118,900.17

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Solution

The fourth proportional to 225,558.96, 338,314.59 and 118,900.17 is: 178,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,558.96 : 338,314.59 = 118,900.17 : x
  2. Step 2: Convert to fraction form
    225,558.96/338,314.59 = 118,900.17/x
  3. Step 3: Cross multiply
    225,558.96x = 338,314.59 × 118,900.17
  4. Step 4: Simplify right side
    225,558.96x = 40,225,662,264.48
  5. Step 5: Solve for x
    x = 40,225,662,264.48/225,558.96
  6. Step 6: Final answer
    x = 178,337.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.