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Finding the Fourth Proportional to 220,152.48, 303,810.48 and 119,550.48

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Solution

The fourth proportional to 220,152.48, 303,810.48 and 119,550.48 is: 164,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152.48 : 303,810.48 = 119,550.48 : x
  2. Step 2: Convert to fraction form
    220,152.48/303,810.48 = 119,550.48/x
  3. Step 3: Cross multiply
    220,152.48x = 303,810.48 × 119,550.48
  4. Step 4: Simplify right side
    220,152.48x = 36,320,688,713.03
  5. Step 5: Solve for x
    x = 36,320,688,713.03/220,152.48
  6. Step 6: Final answer
    x = 164,979.69

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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.