Home / 229,563.70-344,345.55-89,231.20

Finding the Fourth Proportional to 229,563.70, 344,345.55 and 89,231.20

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Solution

The fourth proportional to 229,563.70, 344,345.55 and 89,231.20 is: 133,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,563.70 : 344,345.55 = 89,231.20 : x
  2. Step 2: Convert to fraction form
    229,563.70/344,345.55 = 89,231.20/x
  3. Step 3: Cross multiply
    229,563.70x = 344,345.55 × 89,231.20
  4. Step 4: Simplify right side
    229,563.70x = 30,726,366,641.16
  5. Step 5: Solve for x
    x = 30,726,366,641.16/229,563.70
  6. Step 6: Final answer
    x = 133,846.80

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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.