Home / 230,308.56-345,475.22-72,549.36

Finding the Fourth Proportional to 230,308.56, 345,475.22 and 72,549.36

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Solution

The fourth proportional to 230,308.56, 345,475.22 and 72,549.36 is: 108,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,308.56 : 345,475.22 = 72,549.36 : x
  2. Step 2: Convert to fraction form
    230,308.56/345,475.22 = 72,549.36/x
  3. Step 3: Cross multiply
    230,308.56x = 345,475.22 × 72,549.36
  4. Step 4: Simplify right side
    230,308.56x = 25,064,005,744.11
  5. Step 5: Solve for x
    x = 25,064,005,744.11/230,308.56
  6. Step 6: Final answer
    x = 108,827.94

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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.