Home / 371,293.50-556,951.20-90,810.75

Finding the Fourth Proportional to 371,293.50, 556,951.20 and 90,810.75

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Solution

The fourth proportional to 371,293.50, 556,951.20 and 90,810.75 is: 136,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,293.50 : 556,951.20 = 90,810.75 : x
  2. Step 2: Convert to fraction form
    371,293.50/556,951.20 = 90,810.75/x
  3. Step 3: Cross multiply
    371,293.50x = 556,951.20 × 90,810.75
  4. Step 4: Simplify right side
    371,293.50x = 50,577,156,185.40
  5. Step 5: Solve for x
    x = 50,577,156,185.40/371,293.50
  6. Step 6: Final answer
    x = 136,218.80

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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.