Home / 354,406.04-489,092.60-201,450.64

Finding the Fourth Proportional to 354,406.04, 489,092.60 and 201,450.64

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Solution

The fourth proportional to 354,406.04, 489,092.60 and 201,450.64 is: 278,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,406.04 : 489,092.60 = 201,450.64 : x
  2. Step 2: Convert to fraction form
    354,406.04/489,092.60 = 201,450.64/x
  3. Step 3: Cross multiply
    354,406.04x = 489,092.60 × 201,450.64
  4. Step 4: Simplify right side
    354,406.04x = 98,528,013,836.55
  5. Step 5: Solve for x
    x = 98,528,013,836.55/354,406.04
  6. Step 6: Final answer
    x = 278,008.84

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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.