Home / 329,006.40-493,509.60-222,718.20

Finding the Fourth Proportional to 329,006.40, 493,509.60 and 222,718.20

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Solution

The fourth proportional to 329,006.40, 493,509.60 and 222,718.20 is: 334,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,006.40 : 493,509.60 = 222,718.20 : x
  2. Step 2: Convert to fraction form
    329,006.40/493,509.60 = 222,718.20/x
  3. Step 3: Cross multiply
    329,006.40x = 493,509.60 × 222,718.20
  4. Step 4: Simplify right side
    329,006.40x = 109,913,569,794.72
  5. Step 5: Solve for x
    x = 109,913,569,794.72/329,006.40
  6. Step 6: Final answer
    x = 334,077.30

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1.5x scale

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.