Home / 258,188.41-356,327.76-156,269.94

Finding the Fourth Proportional to 258,188.41, 356,327.76 and 156,269.94

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Solution

The fourth proportional to 258,188.41, 356,327.76 and 156,269.94 is: 215,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,188.41 : 356,327.76 = 156,269.94 : x
  2. Step 2: Convert to fraction form
    258,188.41/356,327.76 = 156,269.94/x
  3. Step 3: Cross multiply
    258,188.41x = 356,327.76 × 156,269.94
  4. Step 4: Simplify right side
    258,188.41x = 55,683,317,675.53
  5. Step 5: Solve for x
    x = 55,683,317,675.53/258,188.41
  6. Step 6: Final answer
    x = 215,669.32

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Why These Related Problems?

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