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Finding the Fourth Proportional to 265,194.60, 365,963.43 and 144,338.55

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Solution

The fourth proportional to 265,194.60, 365,963.43 and 144,338.55 is: 199,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,194.60 : 365,963.43 = 144,338.55 : x
  2. Step 2: Convert to fraction form
    265,194.60/365,963.43 = 144,338.55/x
  3. Step 3: Cross multiply
    265,194.60x = 365,963.43 × 144,338.55
  4. Step 4: Simplify right side
    265,194.60x = 52,822,630,839.23
  5. Step 5: Solve for x
    x = 52,822,630,839.23/265,194.60
  6. Step 6: Final answer
    x = 199,184.41

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1.5x scale

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.