Home / 279,077.04-384,990.96-165,819.60

Finding the Fourth Proportional to 279,077.04, 384,990.96 and 165,819.60

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Solution

The fourth proportional to 279,077.04, 384,990.96 and 165,819.60 is: 228,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,077.04 : 384,990.96 = 165,819.60 : x
  2. Step 2: Convert to fraction form
    279,077.04/384,990.96 = 165,819.60/x
  3. Step 3: Cross multiply
    279,077.04x = 384,990.96 × 165,819.60
  4. Step 4: Simplify right side
    279,077.04x = 63,839,046,990.82
  5. Step 5: Solve for x
    x = 63,839,046,990.82/279,077.04
  6. Step 6: Final answer
    x = 228,750.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.