Home / 454,877.70-682,316.55-188,610.45

Finding the Fourth Proportional to 454,877.70, 682,316.55 and 188,610.45

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Solution

The fourth proportional to 454,877.70, 682,316.55 and 188,610.45 is: 282,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,877.70 : 682,316.55 = 188,610.45 : x
  2. Step 2: Convert to fraction form
    454,877.70/682,316.55 = 188,610.45/x
  3. Step 3: Cross multiply
    454,877.70x = 682,316.55 × 188,610.45
  4. Step 4: Simplify right side
    454,877.70x = 128,692,031,537.95
  5. Step 5: Solve for x
    x = 128,692,031,537.95/454,877.70
  6. Step 6: Final answer
    x = 282,915.68

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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.