Home / 209,710.92-314,570.04-69,473.22

Finding the Fourth Proportional to 209,710.92, 314,570.04 and 69,473.22

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Solution

The fourth proportional to 209,710.92, 314,570.04 and 69,473.22 is: 104,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,710.92 : 314,570.04 = 69,473.22 : x
  2. Step 2: Convert to fraction form
    209,710.92/314,570.04 = 69,473.22/x
  3. Step 3: Cross multiply
    209,710.92x = 314,570.04 × 69,473.22
  4. Step 4: Simplify right side
    209,710.92x = 21,854,193,594.33
  5. Step 5: Solve for x
    x = 21,854,193,594.33/209,710.92
  6. Step 6: Final answer
    x = 104,211.04

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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.