Home / 254,865.04-382,058.79-86,267.38

Finding the Fourth Proportional to 254,865.04, 382,058.79 and 86,267.38

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Solution

The fourth proportional to 254,865.04, 382,058.79 and 86,267.38 is: 129,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,865.04 : 382,058.79 = 86,267.38 : x
  2. Step 2: Convert to fraction form
    254,865.04/382,058.79 = 86,267.38/x
  3. Step 3: Cross multiply
    254,865.04x = 382,058.79 × 86,267.38
  4. Step 4: Simplify right side
    254,865.04x = 32,959,210,819.27
  5. Step 5: Solve for x
    x = 32,959,210,819.27/254,865.04
  6. Step 6: Final answer
    x = 129,320.25

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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.