Home / 389,906.28-584,741.64-202,815.72

Finding the Fourth Proportional to 389,906.28, 584,741.64 and 202,815.72

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Solution

The fourth proportional to 389,906.28, 584,741.64 and 202,815.72 is: 304,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,906.28 : 584,741.64 = 202,815.72 : x
  2. Step 2: Convert to fraction form
    389,906.28/584,741.64 = 202,815.72/x
  3. Step 3: Cross multiply
    389,906.28x = 584,741.64 × 202,815.72
  4. Step 4: Simplify right side
    389,906.28x = 118,594,796,730.58
  5. Step 5: Solve for x
    x = 118,594,796,730.58/389,906.28
  6. Step 6: Final answer
    x = 304,162.31

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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.