Home / 250,329.32-375,577.80-81,857.42

Finding the Fourth Proportional to 250,329.32, 375,577.80 and 81,857.42

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Solution

The fourth proportional to 250,329.32, 375,577.80 and 81,857.42 is: 122,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,329.32 : 375,577.80 = 81,857.42 : x
  2. Step 2: Convert to fraction form
    250,329.32/375,577.80 = 81,857.42/x
  3. Step 3: Cross multiply
    250,329.32x = 375,577.80 × 81,857.42
  4. Step 4: Simplify right side
    250,329.32x = 30,743,827,839.39
  5. Step 5: Solve for x
    x = 30,743,827,839.39/250,329.32
  6. Step 6: Final answer
    x = 122,813.53

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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.