Home / 254,722.56-382,060.40-86,223.62

Finding the Fourth Proportional to 254,722.56, 382,060.40 and 86,223.62

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Solution

The fourth proportional to 254,722.56, 382,060.40 and 86,223.62 is: 129,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,722.56 : 382,060.40 = 86,223.62 : x
  2. Step 2: Convert to fraction form
    254,722.56/382,060.40 = 86,223.62/x
  3. Step 3: Cross multiply
    254,722.56x = 382,060.40 × 86,223.62
  4. Step 4: Simplify right side
    254,722.56x = 32,942,630,315.53
  5. Step 5: Solve for x
    x = 32,942,630,315.53/254,722.56
  6. Step 6: Final answer
    x = 129,327.49

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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.