Home / 330,284.90-455,776.17-179,381.54

Finding the Fourth Proportional to 330,284.90, 455,776.17 and 179,381.54

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Solution

The fourth proportional to 330,284.90, 455,776.17 and 179,381.54 is: 247,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,284.90 : 455,776.17 = 179,381.54 : x
  2. Step 2: Convert to fraction form
    330,284.90/455,776.17 = 179,381.54/x
  3. Step 3: Cross multiply
    330,284.90x = 455,776.17 × 179,381.54
  4. Step 4: Simplify right side
    330,284.90x = 81,757,831,269.90
  5. Step 5: Solve for x
    x = 81,757,831,269.90/330,284.90
  6. Step 6: Final answer
    x = 247,537.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.