Home / 293,530.89-440,359.07-91,122.53

Finding the Fourth Proportional to 293,530.89, 440,359.07 and 91,122.53

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Solution

The fourth proportional to 293,530.89, 440,359.07 and 91,122.53 is: 136,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,530.89 : 440,359.07 = 91,122.53 : x
  2. Step 2: Convert to fraction form
    293,530.89/440,359.07 = 91,122.53/x
  3. Step 3: Cross multiply
    293,530.89x = 440,359.07 × 91,122.53
  4. Step 4: Simplify right side
    293,530.89x = 40,126,629,909.44
  5. Step 5: Solve for x
    x = 40,126,629,909.44/293,530.89
  6. Step 6: Final answer
    x = 136,703.26

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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.