Home / 205,067.10-307,312.65-163,019.10

Finding the Fourth Proportional to 205,067.10, 307,312.65 and 163,019.10

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Solution

The fourth proportional to 205,067.10, 307,312.65 and 163,019.10 is: 244,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,067.10 : 307,312.65 = 163,019.10 : x
  2. Step 2: Convert to fraction form
    205,067.10/307,312.65 = 163,019.10/x
  3. Step 3: Cross multiply
    205,067.10x = 307,312.65 × 163,019.10
  4. Step 4: Simplify right side
    205,067.10x = 50,097,831,621.62
  5. Step 5: Solve for x
    x = 50,097,831,621.62/205,067.10
  6. Step 6: Final answer
    x = 244,299.70

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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.