Home / 209,487.89-314,232.48-51,716.36

Finding the Fourth Proportional to 209,487.89, 314,232.48 and 51,716.36

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Solution

The fourth proportional to 209,487.89, 314,232.48 and 51,716.36 is: 77,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,487.89 : 314,232.48 = 51,716.36 : x
  2. Step 2: Convert to fraction form
    209,487.89/314,232.48 = 51,716.36/x
  3. Step 3: Cross multiply
    209,487.89x = 314,232.48 × 51,716.36
  4. Step 4: Simplify right side
    209,487.89x = 16,250,958,488.21
  5. Step 5: Solve for x
    x = 16,250,958,488.21/209,487.89
  6. Step 6: Final answer
    x = 77,574.69

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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.