Home / 318,006.33-438,875.67-216,257.52

Finding the Fourth Proportional to 318,006.33, 438,875.67 and 216,257.52

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Solution

The fourth proportional to 318,006.33, 438,875.67 and 216,257.52 is: 298,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,006.33 : 438,875.67 = 216,257.52 : x
  2. Step 2: Convert to fraction form
    318,006.33/438,875.67 = 216,257.52/x
  3. Step 3: Cross multiply
    318,006.33x = 438,875.67 × 216,257.52
  4. Step 4: Simplify right side
    318,006.33x = 94,910,163,982.54
  5. Step 5: Solve for x
    x = 94,910,163,982.54/318,006.33
  6. Step 6: Final answer
    x = 298,453.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.