Home / 278,532.84-417,391.02-173,031.96

Finding the Fourth Proportional to 278,532.84, 417,391.02 and 173,031.96

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Solution

The fourth proportional to 278,532.84, 417,391.02 and 173,031.96 is: 259,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,532.84 : 417,391.02 = 173,031.96 : x
  2. Step 2: Convert to fraction form
    278,532.84/417,391.02 = 173,031.96/x
  3. Step 3: Cross multiply
    278,532.84x = 417,391.02 × 173,031.96
  4. Step 4: Simplify right side
    278,532.84x = 72,221,986,277.00
  5. Step 5: Solve for x
    x = 72,221,986,277.00/278,532.84
  6. Step 6: Final answer
    x = 259,294.33

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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.