Home / 221,040.81-331,283.76-94,532.25

Finding the Fourth Proportional to 221,040.81, 331,283.76 and 94,532.25

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Solution

The fourth proportional to 221,040.81, 331,283.76 and 94,532.25 is: 141,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,040.81 : 331,283.76 = 94,532.25 : x
  2. Step 2: Convert to fraction form
    221,040.81/331,283.76 = 94,532.25/x
  3. Step 3: Cross multiply
    221,040.81x = 331,283.76 × 94,532.25
  4. Step 4: Simplify right side
    221,040.81x = 31,316,999,221.26
  5. Step 5: Solve for x
    x = 31,316,999,221.26/221,040.81
  6. Step 6: Final answer
    x = 141,679.72

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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.