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Finding the Fourth Proportional to 209,073.87, 313,610.87 and 51,302.32

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Solution

The fourth proportional to 209,073.87, 313,610.87 and 51,302.32 is: 76,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,073.87 : 313,610.87 = 51,302.32 : x
  2. Step 2: Convert to fraction form
    209,073.87/313,610.87 = 51,302.32/x
  3. Step 3: Cross multiply
    209,073.87x = 313,610.87 × 51,302.32
  4. Step 4: Simplify right side
    209,073.87x = 16,088,964,552.45
  5. Step 5: Solve for x
    x = 16,088,964,552.45/209,073.87
  6. Step 6: Final answer
    x = 76,953.49

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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.