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Finding the Fourth Proportional to 273,988.88, 411,016.53 and 96,459.56

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Solution

The fourth proportional to 273,988.88, 411,016.53 and 96,459.56 is: 144,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,988.88 : 411,016.53 = 96,459.56 : x
  2. Step 2: Convert to fraction form
    273,988.88/411,016.53 = 96,459.56/x
  3. Step 3: Cross multiply
    273,988.88x = 411,016.53 × 96,459.56
  4. Step 4: Simplify right side
    273,988.88x = 39,646,473,636.53
  5. Step 5: Solve for x
    x = 39,646,473,636.53/273,988.88
  6. Step 6: Final answer
    x = 144,701.03

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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.