Home / 304,819.40-457,229.10-178,848.20

Finding the Fourth Proportional to 304,819.40, 457,229.10 and 178,848.20

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Solution

The fourth proportional to 304,819.40, 457,229.10 and 178,848.20 is: 268,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,819.40 : 457,229.10 = 178,848.20 : x
  2. Step 2: Convert to fraction form
    304,819.40/457,229.10 = 178,848.20/x
  3. Step 3: Cross multiply
    304,819.40x = 457,229.10 × 178,848.20
  4. Step 4: Simplify right side
    304,819.40x = 81,774,601,522.62
  5. Step 5: Solve for x
    x = 81,774,601,522.62/304,819.40
  6. Step 6: Final answer
    x = 268,272.30

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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.