Home / 982,136-1,473,199.80-272,162

Finding the Fourth Proportional to 982,136, 1,473,199.80 and 272,162

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Solution

The fourth proportional to 982,136, 1,473,199.80 and 272,162 is: 408,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,136 : 1,473,199.80 = 272,162 : x
  2. Step 2: Convert to fraction form
    982,136/1,473,199.80 = 272,162/x
  3. Step 3: Cross multiply
    982,136x = 1,473,199.80 × 272,162
  4. Step 4: Simplify right side
    982,136x = 400,949,003,967.60
  5. Step 5: Solve for x
    x = 400,949,003,967.60/982,136
  6. Step 6: Final answer
    x = 408,241.84

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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.