Home / 354,623.51-489,382.06-193,481.90

Finding the Fourth Proportional to 354,623.51, 489,382.06 and 193,481.90

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Solution

The fourth proportional to 354,623.51, 489,382.06 and 193,481.90 is: 267,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,623.51 : 489,382.06 = 193,481.90 : x
  2. Step 2: Convert to fraction form
    354,623.51/489,382.06 = 193,481.90/x
  3. Step 3: Cross multiply
    354,623.51x = 489,382.06 × 193,481.90
  4. Step 4: Simplify right side
    354,623.51x = 94,686,570,794.71
  5. Step 5: Solve for x
    x = 94,686,570,794.71/354,623.51
  6. Step 6: Final answer
    x = 267,005.91

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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.