Home / 383,780.24-575,321.88-134,326.16

Finding the Fourth Proportional to 383,780.24, 575,321.88 and 134,326.16

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Solution

The fourth proportional to 383,780.24, 575,321.88 and 134,326.16 is: 201,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,780.24 : 575,321.88 = 134,326.16 : x
  2. Step 2: Convert to fraction form
    383,780.24/575,321.88 = 134,326.16/x
  3. Step 3: Cross multiply
    383,780.24x = 575,321.88 × 134,326.16
  4. Step 4: Simplify right side
    383,780.24x = 77,280,778,904.38
  5. Step 5: Solve for x
    x = 77,280,778,904.38/383,780.24
  6. Step 6: Final answer
    x = 201,367.27

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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.