Home / 383,438.07-574,767.50-158,920.65

Finding the Fourth Proportional to 383,438.07, 574,767.50 and 158,920.65

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Solution

The fourth proportional to 383,438.07, 574,767.50 and 158,920.65 is: 238,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,438.07 : 574,767.50 = 158,920.65 : x
  2. Step 2: Convert to fraction form
    383,438.07/574,767.50 = 158,920.65/x
  3. Step 3: Cross multiply
    383,438.07x = 574,767.50 × 158,920.65
  4. Step 4: Simplify right side
    383,438.07x = 91,342,423,904.27
  5. Step 5: Solve for x
    x = 91,342,423,904.27/383,438.07
  6. Step 6: Final answer
    x = 238,219.50

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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.