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Finding the Fourth Proportional to 310,416.96, 465,612.48 and 88,800.96

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Solution

The fourth proportional to 310,416.96, 465,612.48 and 88,800.96 is: 133,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,416.96 : 465,612.48 = 88,800.96 : x
  2. Step 2: Convert to fraction form
    310,416.96/465,612.48 = 88,800.96/x
  3. Step 3: Cross multiply
    310,416.96x = 465,612.48 × 88,800.96
  4. Step 4: Simplify right side
    310,416.96x = 41,346,835,211.98
  5. Step 5: Solve for x
    x = 41,346,835,211.98/310,416.96
  6. Step 6: Final answer
    x = 133,197.73

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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.