Home / 389,624.40-584,436.60-164,910.15

Finding the Fourth Proportional to 389,624.40, 584,436.60 and 164,910.15

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Solution

The fourth proportional to 389,624.40, 584,436.60 and 164,910.15 is: 247,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,624.40 : 584,436.60 = 164,910.15 : x
  2. Step 2: Convert to fraction form
    389,624.40/584,436.60 = 164,910.15/x
  3. Step 3: Cross multiply
    389,624.40x = 584,436.60 × 164,910.15
  4. Step 4: Simplify right side
    389,624.40x = 96,379,527,371.49
  5. Step 5: Solve for x
    x = 96,379,527,371.49/389,624.40
  6. Step 6: Final answer
    x = 247,365.23

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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.