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Finding the Fourth Proportional to 270,958.84, 373,846.83 and 156,228.46

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Solution

The fourth proportional to 270,958.84, 373,846.83 and 156,228.46 is: 215,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,958.84 : 373,846.83 = 156,228.46 : x
  2. Step 2: Convert to fraction form
    270,958.84/373,846.83 = 156,228.46/x
  3. Step 3: Cross multiply
    270,958.84x = 373,846.83 × 156,228.46
  4. Step 4: Simplify right side
    270,958.84x = 58,405,514,526.78
  5. Step 5: Solve for x
    x = 58,405,514,526.78/270,958.84
  6. Step 6: Final answer
    x = 215,551.24

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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.