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Finding the Fourth Proportional to 220,132.69, 303,783.21 and 119,530.69

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Solution

The fourth proportional to 220,132.69, 303,783.21 and 119,530.69 is: 164,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,132.69 : 303,783.21 = 119,530.69 : x
  2. Step 2: Convert to fraction form
    220,132.69/303,783.21 = 119,530.69/x
  3. Step 3: Cross multiply
    220,132.69x = 303,783.21 × 119,530.69
  4. Step 4: Simplify right side
    220,132.69x = 36,311,415,942.26
  5. Step 5: Solve for x
    x = 36,311,415,942.26/220,132.69
  6. Step 6: Final answer
    x = 164,952.40

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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.