Home / 228,539.07-342,677.35-121,791.60

Finding the Fourth Proportional to 228,539.07, 342,677.35 and 121,791.60

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Solution

The fourth proportional to 228,539.07, 342,677.35 and 121,791.60 is: 182,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,539.07 : 342,677.35 = 121,791.60 : x
  2. Step 2: Convert to fraction form
    228,539.07/342,677.35 = 121,791.60/x
  3. Step 3: Cross multiply
    228,539.07x = 342,677.35 × 121,791.60
  4. Step 4: Simplify right side
    228,539.07x = 41,735,222,740.26
  5. Step 5: Solve for x
    x = 41,735,222,740.26/228,539.07
  6. Step 6: Final answer
    x = 182,617.45

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1.5x scale

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.