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Finding the Fourth Proportional to 295,270.70, 442,976.16 and 95,591.12

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Solution

The fourth proportional to 295,270.70, 442,976.16 and 95,591.12 is: 143,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,270.70 : 442,976.16 = 95,591.12 : x
  2. Step 2: Convert to fraction form
    295,270.70/442,976.16 = 95,591.12/x
  3. Step 3: Cross multiply
    295,270.70x = 442,976.16 × 95,591.12
  4. Step 4: Simplify right side
    295,270.70x = 42,344,587,267.70
  5. Step 5: Solve for x
    x = 42,344,587,267.70/295,270.70
  6. Step 6: Final answer
    x = 143,409.38

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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.