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Finding the Fourth Proportional to 265,275.37, 365,269.30 and 199,959.10

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Solution

The fourth proportional to 265,275.37, 365,269.30 and 199,959.10 is: 275,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,275.37 : 365,269.30 = 199,959.10 : x
  2. Step 2: Convert to fraction form
    265,275.37/365,269.30 = 199,959.10/x
  3. Step 3: Cross multiply
    265,275.37x = 365,269.30 × 199,959.10
  4. Step 4: Simplify right side
    265,275.37x = 73,038,919,072.56
  5. Step 5: Solve for x
    x = 73,038,919,072.56/265,275.37
  6. Step 6: Final answer
    x = 275,332.45

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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.