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Finding the Fourth Proportional to 288,798.44, 398,550.66 and 161,496.68

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Solution

The fourth proportional to 288,798.44, 398,550.66 and 161,496.68 is: 222,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,798.44 : 398,550.66 = 161,496.68 : x
  2. Step 2: Convert to fraction form
    288,798.44/398,550.66 = 161,496.68/x
  3. Step 3: Cross multiply
    288,798.44x = 398,550.66 × 161,496.68
  4. Step 4: Simplify right side
    288,798.44x = 64,364,608,401.81
  5. Step 5: Solve for x
    x = 64,364,608,401.81/288,798.44
  6. Step 6: Final answer
    x = 222,870.35

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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.