Home / 272,821.17-376,433.84-165,417.60

Finding the Fourth Proportional to 272,821.17, 376,433.84 and 165,417.60

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Solution

The fourth proportional to 272,821.17, 376,433.84 and 165,417.60 is: 228,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,821.17 : 376,433.84 = 165,417.60 : x
  2. Step 2: Convert to fraction form
    272,821.17/376,433.84 = 165,417.60/x
  3. Step 3: Cross multiply
    272,821.17x = 376,433.84 × 165,417.60
  4. Step 4: Simplify right side
    272,821.17x = 62,268,781,544.50
  5. Step 5: Solve for x
    x = 62,268,781,544.50/272,821.17
  6. Step 6: Final answer
    x = 228,240.28

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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.