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Finding the Fourth Proportional to 255,690.75, 383,536.11 and 242,905.34

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Solution

The fourth proportional to 255,690.75, 383,536.11 and 242,905.34 is: 364,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,690.75 : 383,536.11 = 242,905.34 : x
  2. Step 2: Convert to fraction form
    255,690.75/383,536.11 = 242,905.34/x
  3. Step 3: Cross multiply
    255,690.75x = 383,536.11 × 242,905.34
  4. Step 4: Simplify right side
    255,690.75x = 93,162,969,201.83
  5. Step 5: Solve for x
    x = 93,162,969,201.83/255,690.75
  6. Step 6: Final answer
    x = 364,358.00

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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.