Home / 330,389.20-455,937.64-179,486.32

Finding the Fourth Proportional to 330,389.20, 455,937.64 and 179,486.32

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Solution

The fourth proportional to 330,389.20, 455,937.64 and 179,486.32 is: 247,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,389.20 : 455,937.64 = 179,486.32 : x
  2. Step 2: Convert to fraction form
    330,389.20/455,937.64 = 179,486.32/x
  3. Step 3: Cross multiply
    330,389.20x = 455,937.64 × 179,486.32
  4. Step 4: Simplify right side
    330,389.20x = 81,834,569,153.08
  5. Step 5: Solve for x
    x = 81,834,569,153.08/330,389.20
  6. Step 6: Final answer
    x = 247,691.42

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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.