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Finding the Fourth Proportional to 255,554.96, 383,333.85 and 105,714.07

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Solution

The fourth proportional to 255,554.96, 383,333.85 and 105,714.07 is: 158,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,554.96 : 383,333.85 = 105,714.07 : x
  2. Step 2: Convert to fraction form
    255,554.96/383,333.85 = 105,714.07/x
  3. Step 3: Cross multiply
    255,554.96x = 383,333.85 × 105,714.07
  4. Step 4: Simplify right side
    255,554.96x = 40,523,780,493.93
  5. Step 5: Solve for x
    x = 40,523,780,493.93/255,554.96
  6. Step 6: Final answer
    x = 158,571.69

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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.