Home / 274,877.40-379,323.18-161,707.80

Finding the Fourth Proportional to 274,877.40, 379,323.18 and 161,707.80

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Solution

The fourth proportional to 274,877.40, 379,323.18 and 161,707.80 is: 223,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,877.40 : 379,323.18 = 161,707.80 : x
  2. Step 2: Convert to fraction form
    274,877.40/379,323.18 = 161,707.80/x
  3. Step 3: Cross multiply
    274,877.40x = 379,323.18 × 161,707.80
  4. Step 4: Simplify right side
    274,877.40x = 61,339,516,926.80
  5. Step 5: Solve for x
    x = 61,339,516,926.80/274,877.40
  6. Step 6: Final answer
    x = 223,152.27

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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.