Home / 383,118.32-574,767.35-116,878.75

Finding the Fourth Proportional to 383,118.32, 574,767.35 and 116,878.75

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Solution

The fourth proportional to 383,118.32, 574,767.35 and 116,878.75 is: 175,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,118.32 : 574,767.35 = 116,878.75 : x
  2. Step 2: Convert to fraction form
    383,118.32/574,767.35 = 116,878.75/x
  3. Step 3: Cross multiply
    383,118.32x = 574,767.35 × 116,878.75
  4. Step 4: Simplify right side
    383,118.32x = 67,178,087,907.98
  5. Step 5: Solve for x
    x = 67,178,087,907.98/383,118.32
  6. Step 6: Final answer
    x = 175,345.54

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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.