Home / 254,847.41-382,269.39-86,486.26

Finding the Fourth Proportional to 254,847.41, 382,269.39 and 86,486.26

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Solution

The fourth proportional to 254,847.41, 382,269.39 and 86,486.26 is: 129,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,847.41 : 382,269.39 = 86,486.26 : x
  2. Step 2: Convert to fraction form
    254,847.41/382,269.39 = 86,486.26/x
  3. Step 3: Cross multiply
    254,847.41x = 382,269.39 × 86,486.26
  4. Step 4: Simplify right side
    254,847.41x = 33,061,051,303.17
  5. Step 5: Solve for x
    x = 33,061,051,303.17/254,847.41
  6. Step 6: Final answer
    x = 129,728.81

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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.