Home / 237,280.60-355,805.70-131,987.80

Finding the Fourth Proportional to 237,280.60, 355,805.70 and 131,987.80

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Solution

The fourth proportional to 237,280.60, 355,805.70 and 131,987.80 is: 197,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,280.60 : 355,805.70 = 131,987.80 : x
  2. Step 2: Convert to fraction form
    237,280.60/355,805.70 = 131,987.80/x
  3. Step 3: Cross multiply
    237,280.60x = 355,805.70 × 131,987.80
  4. Step 4: Simplify right side
    237,280.60x = 46,962,011,570.46
  5. Step 5: Solve for x
    x = 46,962,011,570.46/237,280.60
  6. Step 6: Final answer
    x = 197,917.62

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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.