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Finding the Fourth Proportional to 451,303.47, 676,955.22 and 185,189.31

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Solution

The fourth proportional to 451,303.47, 676,955.22 and 185,189.31 is: 277,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,303.47 : 676,955.22 = 185,189.31 : x
  2. Step 2: Convert to fraction form
    451,303.47/676,955.22 = 185,189.31/x
  3. Step 3: Cross multiply
    451,303.47x = 676,955.22 × 185,189.31
  4. Step 4: Simplify right side
    451,303.47x = 125,364,870,092.70
  5. Step 5: Solve for x
    x = 125,364,870,092.70/451,303.47
  6. Step 6: Final answer
    x = 277,783.97

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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.