Home / 209,485.74-314,277.82-69,244.36

Finding the Fourth Proportional to 209,485.74, 314,277.82 and 69,244.36

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Solution

The fourth proportional to 209,485.74, 314,277.82 and 69,244.36 is: 103,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,485.74 : 314,277.82 = 69,244.36 : x
  2. Step 2: Convert to fraction form
    209,485.74/314,277.82 = 69,244.36/x
  3. Step 3: Cross multiply
    209,485.74x = 314,277.82 × 69,244.36
  4. Step 4: Simplify right side
    209,485.74x = 21,761,966,508.10
  5. Step 5: Solve for x
    x = 21,761,966,508.10/209,485.74
  6. Step 6: Final answer
    x = 103,882.81

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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.