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Finding the Fourth Proportional to 628,658.79, 943,023.02 and 179,345.11

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Solution

The fourth proportional to 628,658.79, 943,023.02 and 179,345.11 is: 269,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,658.79 : 943,023.02 = 179,345.11 : x
  2. Step 2: Convert to fraction form
    628,658.79/943,023.02 = 179,345.11/x
  3. Step 3: Cross multiply
    628,658.79x = 943,023.02 × 179,345.11
  4. Step 4: Simplify right side
    628,658.79x = 169,126,567,254.43
  5. Step 5: Solve for x
    x = 169,126,567,254.43/628,658.79
  6. Step 6: Final answer
    x = 269,027.60

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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.