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Finding the Fourth Proportional to 301,097.40, 451,706.85 and 87,864.90

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Solution

The fourth proportional to 301,097.40, 451,706.85 and 87,864.90 is: 131,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,097.40 : 451,706.85 = 87,864.90 : x
  2. Step 2: Convert to fraction form
    301,097.40/451,706.85 = 87,864.90/x
  3. Step 3: Cross multiply
    301,097.40x = 451,706.85 × 87,864.90
  4. Step 4: Simplify right side
    301,097.40x = 39,689,177,204.57
  5. Step 5: Solve for x
    x = 39,689,177,204.57/301,097.40
  6. Step 6: Final answer
    x = 131,815.08

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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.