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Finding the Fourth Proportional to 209,152.62, 313,552.62 and 90,734.67

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Solution

The fourth proportional to 209,152.62, 313,552.62 and 90,734.67 is: 136,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,152.62 : 313,552.62 = 90,734.67 : x
  2. Step 2: Convert to fraction form
    209,152.62/313,552.62 = 90,734.67/x
  3. Step 3: Cross multiply
    209,152.62x = 313,552.62 × 90,734.67
  4. Step 4: Simplify right side
    209,152.62x = 28,450,093,503.34
  5. Step 5: Solve for x
    x = 28,450,093,503.34/209,152.62
  6. Step 6: Final answer
    x = 136,025.52

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1.5x scale

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.