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Finding the Fourth Proportional to 224,318.88, 336,465.12 and 84,065.76

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Solution

The fourth proportional to 224,318.88, 336,465.12 and 84,065.76 is: 126,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,318.88 : 336,465.12 = 84,065.76 : x
  2. Step 2: Convert to fraction form
    224,318.88/336,465.12 = 84,065.76/x
  3. Step 3: Cross multiply
    224,318.88x = 336,465.12 × 84,065.76
  4. Step 4: Simplify right side
    224,318.88x = 28,285,196,026.29
  5. Step 5: Solve for x
    x = 28,285,196,026.29/224,318.88
  6. Step 6: Final answer
    x = 126,093.69

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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.