Home / 405,979.22-560,234.10-224,674.20

Finding the Fourth Proportional to 405,979.22, 560,234.10 and 224,674.20

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Solution

The fourth proportional to 405,979.22, 560,234.10 and 224,674.20 is: 310,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,979.22 : 560,234.10 = 224,674.20 : x
  2. Step 2: Convert to fraction form
    405,979.22/560,234.10 = 224,674.20/x
  3. Step 3: Cross multiply
    405,979.22x = 560,234.10 × 224,674.20
  4. Step 4: Simplify right side
    405,979.22x = 125,870,148,230.22
  5. Step 5: Solve for x
    x = 125,870,148,230.22/405,979.22
  6. Step 6: Final answer
    x = 310,040.86

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1.5x scale

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.