Home / 377,463.45-566,020.21-140,742.57

Finding the Fourth Proportional to 377,463.45, 566,020.21 and 140,742.57

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Solution

The fourth proportional to 377,463.45, 566,020.21 and 140,742.57 is: 211,048.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,463.45 : 566,020.21 = 140,742.57 : x
  2. Step 2: Convert to fraction form
    377,463.45/566,020.21 = 140,742.57/x
  3. Step 3: Cross multiply
    377,463.45x = 566,020.21 × 140,742.57
  4. Step 4: Simplify right side
    377,463.45x = 79,663,136,552.91
  5. Step 5: Solve for x
    x = 79,663,136,552.91/377,463.45
  6. Step 6: Final answer
    x = 211,048.61

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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.