Home / 982,116-1,473,169.80-272,142

Finding the Fourth Proportional to 982,116, 1,473,169.80 and 272,142

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Solution

The fourth proportional to 982,116, 1,473,169.80 and 272,142 is: 408,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,116 : 1,473,169.80 = 272,142 : x
  2. Step 2: Convert to fraction form
    982,116/1,473,169.80 = 272,142/x
  3. Step 3: Cross multiply
    982,116x = 1,473,169.80 × 272,142
  4. Step 4: Simplify right side
    982,116x = 400,911,375,711.60
  5. Step 5: Solve for x
    x = 400,911,375,711.60/982,116
  6. Step 6: Final answer
    x = 408,211.84

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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.