Home / 329,265.40-493,898.10-222,977.20

Finding the Fourth Proportional to 329,265.40, 493,898.10 and 222,977.20

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Solution

The fourth proportional to 329,265.40, 493,898.10 and 222,977.20 is: 334,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,265.40 : 493,898.10 = 222,977.20 : x
  2. Step 2: Convert to fraction form
    329,265.40/493,898.10 = 222,977.20/x
  3. Step 3: Cross multiply
    329,265.40x = 493,898.10 × 222,977.20
  4. Step 4: Simplify right side
    329,265.40x = 110,128,015,423.32
  5. Step 5: Solve for x
    x = 110,128,015,423.32/329,265.40
  6. Step 6: Final answer
    x = 334,465.80

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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.