Home / 282,403.40-389,865.30-174,921.80

Finding the Fourth Proportional to 282,403.40, 389,865.30 and 174,921.80

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Solution

The fourth proportional to 282,403.40, 389,865.30 and 174,921.80 is: 241,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,403.40 : 389,865.30 = 174,921.80 : x
  2. Step 2: Convert to fraction form
    282,403.40/389,865.30 = 174,921.80/x
  3. Step 3: Cross multiply
    282,403.40x = 389,865.30 × 174,921.80
  4. Step 4: Simplify right side
    282,403.40x = 68,195,940,033.54
  5. Step 5: Solve for x
    x = 68,195,940,033.54/282,403.40
  6. Step 6: Final answer
    x = 241,484.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.