Home / 354,947.46-489,823.78-193,802.01

Finding the Fourth Proportional to 354,947.46, 489,823.78 and 193,802.01

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Solution

The fourth proportional to 354,947.46, 489,823.78 and 193,802.01 is: 267,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,947.46 : 489,823.78 = 193,802.01 : x
  2. Step 2: Convert to fraction form
    354,947.46/489,823.78 = 193,802.01/x
  3. Step 3: Cross multiply
    354,947.46x = 489,823.78 × 193,802.01
  4. Step 4: Simplify right side
    354,947.46x = 94,928,833,109.80
  5. Step 5: Solve for x
    x = 94,928,833,109.80/354,947.46
  6. Step 6: Final answer
    x = 267,444.75

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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.