Home / 354,748.09-489,562.75-193,613.48

Finding the Fourth Proportional to 354,748.09, 489,562.75 and 193,613.48

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Solution

The fourth proportional to 354,748.09, 489,562.75 and 193,613.48 is: 267,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,748.09 : 489,562.75 = 193,613.48 : x
  2. Step 2: Convert to fraction form
    354,748.09/489,562.75 = 193,613.48/x
  3. Step 3: Cross multiply
    354,748.09x = 489,562.75 × 193,613.48
  4. Step 4: Simplify right side
    354,748.09x = 94,785,947,705.87
  5. Step 5: Solve for x
    x = 94,785,947,705.87/354,748.09
  6. Step 6: Final answer
    x = 267,192.27

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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.