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Finding the Fourth Proportional to 265,151.82, 365,905.71 and 145,919.82

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Solution

The fourth proportional to 265,151.82, 365,905.71 and 145,919.82 is: 201,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,151.82 : 365,905.71 = 145,919.82 : x
  2. Step 2: Convert to fraction form
    265,151.82/365,905.71 = 145,919.82/x
  3. Step 3: Cross multiply
    265,151.82x = 365,905.71 × 145,919.82
  4. Step 4: Simplify right side
    265,151.82x = 53,392,895,340.17
  5. Step 5: Solve for x
    x = 53,392,895,340.17/265,151.82
  6. Step 6: Final answer
    x = 201,367.26

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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.