Home / 387,574.20-581,447.70-150,895.80

Finding the Fourth Proportional to 387,574.20, 581,447.70 and 150,895.80

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Solution

The fourth proportional to 387,574.20, 581,447.70 and 150,895.80 is: 226,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,574.20 : 581,447.70 = 150,895.80 : x
  2. Step 2: Convert to fraction form
    387,574.20/581,447.70 = 150,895.80/x
  3. Step 3: Cross multiply
    387,574.20x = 581,447.70 × 150,895.80
  4. Step 4: Simplify right side
    387,574.20x = 87,738,015,849.66
  5. Step 5: Solve for x
    x = 87,738,015,849.66/387,574.20
  6. Step 6: Final answer
    x = 226,377.34

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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.