Home / 384,183.27-530,242.29-229,144.50

Finding the Fourth Proportional to 384,183.27, 530,242.29 and 229,144.50

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Solution

The fourth proportional to 384,183.27, 530,242.29 and 229,144.50 is: 316,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,183.27 : 530,242.29 = 229,144.50 : x
  2. Step 2: Convert to fraction form
    384,183.27/530,242.29 = 229,144.50/x
  3. Step 3: Cross multiply
    384,183.27x = 530,242.29 × 229,144.50
  4. Step 4: Simplify right side
    384,183.27x = 121,502,104,420.91
  5. Step 5: Solve for x
    x = 121,502,104,420.91/384,183.27
  6. Step 6: Final answer
    x = 316,260.79

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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.