Home / 486,395.24-729,243.33-230,085.72

Finding the Fourth Proportional to 486,395.24, 729,243.33 and 230,085.72

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Solution

The fourth proportional to 486,395.24, 729,243.33 and 230,085.72 is: 344,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,395.24 : 729,243.33 = 230,085.72 : x
  2. Step 2: Convert to fraction form
    486,395.24/729,243.33 = 230,085.72/x
  3. Step 3: Cross multiply
    486,395.24x = 729,243.33 × 230,085.72
  4. Step 4: Simplify right side
    486,395.24x = 167,788,476,638.25
  5. Step 5: Solve for x
    x = 167,788,476,638.25/486,395.24
  6. Step 6: Final answer
    x = 344,963.24

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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.