Home / 254,828.80-382,243.20-242,581.60

Finding the Fourth Proportional to 254,828.80, 382,243.20 and 242,581.60

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Solution

The fourth proportional to 254,828.80, 382,243.20 and 242,581.60 is: 363,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,828.80 : 382,243.20 = 242,581.60 : x
  2. Step 2: Convert to fraction form
    254,828.80/382,243.20 = 242,581.60/x
  3. Step 3: Cross multiply
    254,828.80x = 382,243.20 × 242,581.60
  4. Step 4: Simplify right side
    254,828.80x = 92,725,167,045.12
  5. Step 5: Solve for x
    x = 92,725,167,045.12/254,828.80
  6. Step 6: Final answer
    x = 363,872.40

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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.