Home / 254,883.20-382,300.08-77,391.75

Finding the Fourth Proportional to 254,883.20, 382,300.08 and 77,391.75

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Solution

The fourth proportional to 254,883.20, 382,300.08 and 77,391.75 is: 116,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,883.20 : 382,300.08 = 77,391.75 : x
  2. Step 2: Convert to fraction form
    254,883.20/382,300.08 = 77,391.75/x
  3. Step 3: Cross multiply
    254,883.20x = 382,300.08 × 77,391.75
  4. Step 4: Simplify right side
    254,883.20x = 29,586,872,216.34
  5. Step 5: Solve for x
    x = 29,586,872,216.34/254,883.20
  6. Step 6: Final answer
    x = 116,080.12

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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.