Home / 434,910.96-652,427.28-135,413.28

Finding the Fourth Proportional to 434,910.96, 652,427.28 and 135,413.28

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Solution

The fourth proportional to 434,910.96, 652,427.28 and 135,413.28 is: 203,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,910.96 : 652,427.28 = 135,413.28 : x
  2. Step 2: Convert to fraction form
    434,910.96/652,427.28 = 135,413.28/x
  3. Step 3: Cross multiply
    434,910.96x = 652,427.28 × 135,413.28
  4. Step 4: Simplify right side
    434,910.96x = 88,347,317,946.28
  5. Step 5: Solve for x
    x = 88,347,317,946.28/434,910.96
  6. Step 6: Final answer
    x = 203,138.86

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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.