Home / 255,231.43-382,847.27-105,306.94

Finding the Fourth Proportional to 255,231.43, 382,847.27 and 105,306.94

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Solution

The fourth proportional to 255,231.43, 382,847.27 and 105,306.94 is: 157,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,231.43 : 382,847.27 = 105,306.94 : x
  2. Step 2: Convert to fraction form
    255,231.43/382,847.27 = 105,306.94/x
  3. Step 3: Cross multiply
    255,231.43x = 382,847.27 × 105,306.94
  4. Step 4: Simplify right side
    255,231.43x = 40,316,474,491.05
  5. Step 5: Solve for x
    x = 40,316,474,491.05/255,231.43
  6. Step 6: Final answer
    x = 157,960.46

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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.