Home / 281,819.20-423,104.10-163,575.40

Finding the Fourth Proportional to 281,819.20, 423,104.10 and 163,575.40

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Solution

The fourth proportional to 281,819.20, 423,104.10 and 163,575.40 is: 245,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,819.20 : 423,104.10 = 163,575.40 : x
  2. Step 2: Convert to fraction form
    281,819.20/423,104.10 = 163,575.40/x
  3. Step 3: Cross multiply
    281,819.20x = 423,104.10 × 163,575.40
  4. Step 4: Simplify right side
    281,819.20x = 69,209,422,399.14
  5. Step 5: Solve for x
    x = 69,209,422,399.14/281,819.20
  6. Step 6: Final answer
    x = 245,580.93

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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.