Home / 361,766.28-542,653.99-137,066.35

Finding the Fourth Proportional to 361,766.28, 542,653.99 and 137,066.35

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Solution

The fourth proportional to 361,766.28, 542,653.99 and 137,066.35 is: 205,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,766.28 : 542,653.99 = 137,066.35 : x
  2. Step 2: Convert to fraction form
    361,766.28/542,653.99 = 137,066.35/x
  3. Step 3: Cross multiply
    361,766.28x = 542,653.99 × 137,066.35
  4. Step 4: Simplify right side
    361,766.28x = 74,379,603,530.37
  5. Step 5: Solve for x
    x = 74,379,603,530.37/361,766.28
  6. Step 6: Final answer
    x = 205,601.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.