Home / 354,969.02-489,858.78-193,827.62

Finding the Fourth Proportional to 354,969.02, 489,858.78 and 193,827.62

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Solution

The fourth proportional to 354,969.02, 489,858.78 and 193,827.62 is: 267,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,969.02 : 489,858.78 = 193,827.62 : x
  2. Step 2: Convert to fraction form
    354,969.02/489,858.78 = 193,827.62/x
  3. Step 3: Cross multiply
    354,969.02x = 489,858.78 × 193,827.62
  4. Step 4: Simplify right side
    354,969.02x = 94,948,161,463.50
  5. Step 5: Solve for x
    x = 94,948,161,463.50/354,969.02
  6. Step 6: Final answer
    x = 267,482.95

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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.