Home / 199,629.90-299,444.85-155,015.10

Finding the Fourth Proportional to 199,629.90, 299,444.85 and 155,015.10

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Solution

The fourth proportional to 199,629.90, 299,444.85 and 155,015.10 is: 232,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,629.90 : 299,444.85 = 155,015.10 : x
  2. Step 2: Convert to fraction form
    199,629.90/299,444.85 = 155,015.10/x
  3. Step 3: Cross multiply
    199,629.90x = 299,444.85 × 155,015.10
  4. Step 4: Simplify right side
    199,629.90x = 46,418,473,367.24
  5. Step 5: Solve for x
    x = 46,418,473,367.24/199,629.90
  6. Step 6: Final answer
    x = 232,522.65

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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.