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Finding the Fourth Proportional to 270,366.06, 405,667.64 and 128,313.93

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Solution

The fourth proportional to 270,366.06, 405,667.64 and 128,313.93 is: 192,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,366.06 : 405,667.64 = 128,313.93 : x
  2. Step 2: Convert to fraction form
    270,366.06/405,667.64 = 128,313.93/x
  3. Step 3: Cross multiply
    270,366.06x = 405,667.64 × 128,313.93
  4. Step 4: Simplify right side
    270,366.06x = 52,052,809,162.23
  5. Step 5: Solve for x
    x = 52,052,809,162.23/270,366.06
  6. Step 6: Final answer
    x = 192,527.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.