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Finding the Fourth Proportional to 265,275.75, 365,269.82 and 199,959.48

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Solution

The fourth proportional to 265,275.75, 365,269.82 and 199,959.48 is: 275,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,275.75 : 365,269.82 = 199,959.48 : x
  2. Step 2: Convert to fraction form
    265,275.75/365,269.82 = 199,959.48/x
  3. Step 3: Cross multiply
    265,275.75x = 365,269.82 × 199,959.48
  4. Step 4: Simplify right side
    265,275.75x = 73,039,162,267.10
  5. Step 5: Solve for x
    x = 73,039,162,267.10/265,275.75
  6. Step 6: Final answer
    x = 275,332.98

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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.