Home / 329,237.40-493,856.10-222,949.20

Finding the Fourth Proportional to 329,237.40, 493,856.10 and 222,949.20

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Solution

The fourth proportional to 329,237.40, 493,856.10 and 222,949.20 is: 334,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,237.40 : 493,856.10 = 222,949.20 : x
  2. Step 2: Convert to fraction form
    329,237.40/493,856.10 = 222,949.20/x
  3. Step 3: Cross multiply
    329,237.40x = 493,856.10 × 222,949.20
  4. Step 4: Simplify right side
    329,237.40x = 110,104,822,410.12
  5. Step 5: Solve for x
    x = 110,104,822,410.12/329,237.40
  6. Step 6: Final answer
    x = 334,423.80

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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.