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Finding the Fourth Proportional to 300,095.70, 450,143.55 and 160,127.70

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Solution

The fourth proportional to 300,095.70, 450,143.55 and 160,127.70 is: 240,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,095.70 : 450,143.55 = 160,127.70 : x
  2. Step 2: Convert to fraction form
    300,095.70/450,143.55 = 160,127.70/x
  3. Step 3: Cross multiply
    300,095.70x = 450,143.55 × 160,127.70
  4. Step 4: Simplify right side
    300,095.70x = 72,080,451,331.34
  5. Step 5: Solve for x
    x = 72,080,451,331.34/300,095.70
  6. Step 6: Final answer
    x = 240,191.55

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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.