Home / 547,811.80-821,806.02-168,732.46

Finding the Fourth Proportional to 547,811.80, 821,806.02 and 168,732.46

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Solution

The fourth proportional to 547,811.80, 821,806.02 and 168,732.46 is: 253,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,811.80 : 821,806.02 = 168,732.46 : x
  2. Step 2: Convert to fraction form
    547,811.80/821,806.02 = 168,732.46/x
  3. Step 3: Cross multiply
    547,811.80x = 821,806.02 × 168,732.46
  4. Step 4: Simplify right side
    547,811.80x = 138,665,351,397.41
  5. Step 5: Solve for x
    x = 138,665,351,397.41/547,811.80
  6. Step 6: Final answer
    x = 253,125.89

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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.