Home / 405,983.12-560,257.90-224,707.64

Finding the Fourth Proportional to 405,983.12, 560,257.90 and 224,707.64

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Solution

The fourth proportional to 405,983.12, 560,257.90 and 224,707.64 is: 310,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,983.12 : 560,257.90 = 224,707.64 : x
  2. Step 2: Convert to fraction form
    405,983.12/560,257.90 = 224,707.64/x
  3. Step 3: Cross multiply
    405,983.12x = 560,257.90 × 224,707.64
  4. Step 4: Simplify right side
    405,983.12x = 125,894,227,137.30
  5. Step 5: Solve for x
    x = 125,894,227,137.30/405,983.12
  6. Step 6: Final answer
    x = 310,097.20

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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.