Home / 389,627.40-584,441.10-164,913.15

Finding the Fourth Proportional to 389,627.40, 584,441.10 and 164,913.15

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Solution

The fourth proportional to 389,627.40, 584,441.10 and 164,913.15 is: 247,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,627.40 : 584,441.10 = 164,913.15 : x
  2. Step 2: Convert to fraction form
    389,627.40/584,441.10 = 164,913.15/x
  3. Step 3: Cross multiply
    389,627.40x = 584,441.10 × 164,913.15
  4. Step 4: Simplify right side
    389,627.40x = 96,382,022,790.47
  5. Step 5: Solve for x
    x = 96,382,022,790.47/389,627.40
  6. Step 6: Final answer
    x = 247,369.73

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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.