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Finding the Fourth Proportional to 279,779.00, 386,154.50 and 165,014.73

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Solution

The fourth proportional to 279,779.00, 386,154.50 and 165,014.73 is: 227,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,779.00 : 386,154.50 = 165,014.73 : x
  2. Step 2: Convert to fraction form
    279,779.00/386,154.50 = 165,014.73/x
  3. Step 3: Cross multiply
    279,779.00x = 386,154.50 × 165,014.73
  4. Step 4: Simplify right side
    279,779.00x = 63,721,179,730.71
  5. Step 5: Solve for x
    x = 63,721,179,730.71/279,779.00
  6. Step 6: Final answer
    x = 227,755.41

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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.