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Finding the Fourth Proportional to 313,337.60, 469,911.36 and 88,680.32

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Solution

The fourth proportional to 313,337.60, 469,911.36 and 88,680.32 is: 132,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,337.60 : 469,911.36 = 88,680.32 : x
  2. Step 2: Convert to fraction form
    313,337.60/469,911.36 = 88,680.32/x
  3. Step 3: Cross multiply
    313,337.60x = 469,911.36 × 88,680.32
  4. Step 4: Simplify right side
    313,337.60x = 41,671,889,776.44
  5. Step 5: Solve for x
    x = 41,671,889,776.44/313,337.60
  6. Step 6: Final answer
    x = 132,993.58

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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.