Home / 460,827.46-691,175.58-145,243.36

Finding the Fourth Proportional to 460,827.46, 691,175.58 and 145,243.36

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Solution

The fourth proportional to 460,827.46, 691,175.58 and 145,243.36 is: 217,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,827.46 : 691,175.58 = 145,243.36 : x
  2. Step 2: Convert to fraction form
    460,827.46/691,175.58 = 145,243.36/x
  3. Step 3: Cross multiply
    460,827.46x = 691,175.58 × 145,243.36
  4. Step 4: Simplify right side
    460,827.46x = 100,388,663,589.15
  5. Step 5: Solve for x
    x = 100,388,663,589.15/460,827.46
  6. Step 6: Final answer
    x = 217,844.36

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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.