Home / 371,149.52-556,227.96-193,283.12

Finding the Fourth Proportional to 371,149.52, 556,227.96 and 193,283.12

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Solution

The fourth proportional to 371,149.52, 556,227.96 and 193,283.12 is: 289,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,149.52 : 556,227.96 = 193,283.12 : x
  2. Step 2: Convert to fraction form
    371,149.52/556,227.96 = 193,283.12/x
  3. Step 3: Cross multiply
    371,149.52x = 556,227.96 × 193,283.12
  4. Step 4: Simplify right side
    371,149.52x = 107,509,475,540.04
  5. Step 5: Solve for x
    x = 107,509,475,540.04/371,149.52
  6. Step 6: Final answer
    x = 289,666.21

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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.