Home / 405,965.18-560,227.83-224,677.46

Finding the Fourth Proportional to 405,965.18, 560,227.83 and 224,677.46

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Solution

The fourth proportional to 405,965.18, 560,227.83 and 224,677.46 is: 310,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,965.18 : 560,227.83 = 224,677.46 : x
  2. Step 2: Convert to fraction form
    405,965.18/560,227.83 = 224,677.46/x
  3. Step 3: Cross multiply
    405,965.18x = 560,227.83 × 224,677.46
  4. Step 4: Simplify right side
    405,965.18x = 125,870,566,423.74
  5. Step 5: Solve for x
    x = 125,870,566,423.74/405,965.18
  6. Step 6: Final answer
    x = 310,052.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.