Home / 209,629.68-314,411.04-69,370.08

Finding the Fourth Proportional to 209,629.68, 314,411.04 and 69,370.08

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Solution

The fourth proportional to 209,629.68, 314,411.04 and 69,370.08 is: 104,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,629.68 : 314,411.04 = 69,370.08 : x
  2. Step 2: Convert to fraction form
    209,629.68/314,411.04 = 69,370.08/x
  3. Step 3: Cross multiply
    209,629.68x = 314,411.04 × 69,370.08
  4. Step 4: Simplify right side
    209,629.68x = 21,810,718,997.68
  5. Step 5: Solve for x
    x = 21,810,718,997.68/209,629.68
  6. Step 6: Final answer
    x = 104,044.04

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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.