Home / 329,946.20-455,325.74-179,043.20

Finding the Fourth Proportional to 329,946.20, 455,325.74 and 179,043.20

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Solution

The fourth proportional to 329,946.20, 455,325.74 and 179,043.20 is: 247,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,946.20 : 455,325.74 = 179,043.20 : x
  2. Step 2: Convert to fraction form
    329,946.20/455,325.74 = 179,043.20/x
  3. Step 3: Cross multiply
    329,946.20x = 455,325.74 × 179,043.20
  4. Step 4: Simplify right side
    329,946.20x = 81,522,974,360.12
  5. Step 5: Solve for x
    x = 81,522,974,360.12/329,946.20
  6. Step 6: Final answer
    x = 247,079.60

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1.5x scale

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.