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Finding the Fourth Proportional to 219,944.90, 303,527.49 and 119,342.90

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Solution

The fourth proportional to 219,944.90, 303,527.49 and 119,342.90 is: 164,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,944.90 : 303,527.49 = 119,342.90 : x
  2. Step 2: Convert to fraction form
    219,944.90/303,527.49 = 119,342.90/x
  3. Step 3: Cross multiply
    219,944.90x = 303,527.49 × 119,342.90
  4. Step 4: Simplify right side
    219,944.90x = 36,223,850,886.32
  5. Step 5: Solve for x
    x = 36,223,850,886.32/219,944.90
  6. Step 6: Final answer
    x = 164,695.12

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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.