Home / 208,191.74-287,470.23-192,270.38

Finding the Fourth Proportional to 208,191.74, 287,470.23 and 192,270.38

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Solution

The fourth proportional to 208,191.74, 287,470.23 and 192,270.38 is: 265,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,191.74 : 287,470.23 = 192,270.38 : x
  2. Step 2: Convert to fraction form
    208,191.74/287,470.23 = 192,270.38/x
  3. Step 3: Cross multiply
    208,191.74x = 287,470.23 × 192,270.38
  4. Step 4: Simplify right side
    208,191.74x = 55,272,010,360.79
  5. Step 5: Solve for x
    x = 55,272,010,360.79/208,191.74
  6. Step 6: Final answer
    x = 265,486.09

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1.5x scale

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.