Home / 282,312.23-389,591.52-154,996.02

Finding the Fourth Proportional to 282,312.23, 389,591.52 and 154,996.02

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Solution

The fourth proportional to 282,312.23, 389,591.52 and 154,996.02 is: 213,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,312.23 : 389,591.52 = 154,996.02 : x
  2. Step 2: Convert to fraction form
    282,312.23/389,591.52 = 154,996.02/x
  3. Step 3: Cross multiply
    282,312.23x = 389,591.52 × 154,996.02
  4. Step 4: Simplify right side
    282,312.23x = 60,385,135,025.75
  5. Step 5: Solve for x
    x = 60,385,135,025.75/282,312.23
  6. Step 6: Final answer
    x = 213,894.86

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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.