Home / 228,538.07-342,675.85-121,790.60

Finding the Fourth Proportional to 228,538.07, 342,675.85 and 121,790.60

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Solution

The fourth proportional to 228,538.07, 342,675.85 and 121,790.60 is: 182,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,538.07 : 342,675.85 = 121,790.60 : x
  2. Step 2: Convert to fraction form
    228,538.07/342,675.85 = 121,790.60/x
  3. Step 3: Cross multiply
    228,538.07x = 342,675.85 × 121,790.60
  4. Step 4: Simplify right side
    228,538.07x = 41,734,697,377.01
  5. Step 5: Solve for x
    x = 41,734,697,377.01/228,538.07
  6. Step 6: Final answer
    x = 182,615.95

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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.