Home / 250,361.40-375,502.82-81,880.36

Finding the Fourth Proportional to 250,361.40, 375,502.82 and 81,880.36

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Solution

The fourth proportional to 250,361.40, 375,502.82 and 81,880.36 is: 122,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,361.40 : 375,502.82 = 81,880.36 : x
  2. Step 2: Convert to fraction form
    250,361.40/375,502.82 = 81,880.36/x
  3. Step 3: Cross multiply
    250,361.40x = 375,502.82 × 81,880.36
  4. Step 4: Simplify right side
    250,361.40x = 30,746,306,082.62
  5. Step 5: Solve for x
    x = 30,746,306,082.62/250,361.40
  6. Step 6: Final answer
    x = 122,807.69

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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.