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Finding the Fourth Proportional to 217,403.56, 300,059.94 and 141,017.32

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Solution

The fourth proportional to 217,403.56, 300,059.94 and 141,017.32 is: 194,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,403.56 : 300,059.94 = 141,017.32 : x
  2. Step 2: Convert to fraction form
    217,403.56/300,059.94 = 141,017.32/x
  3. Step 3: Cross multiply
    217,403.56x = 300,059.94 × 141,017.32
  4. Step 4: Simplify right side
    217,403.56x = 42,313,648,578.16
  5. Step 5: Solve for x
    x = 42,313,648,578.16/217,403.56
  6. Step 6: Final answer
    x = 194,631.81

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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.