Home / 383,986.10-575,987.46-117,740.72

Finding the Fourth Proportional to 383,986.10, 575,987.46 and 117,740.72

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Solution

The fourth proportional to 383,986.10, 575,987.46 and 117,740.72 is: 176,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,986.10 : 575,987.46 = 117,740.72 : x
  2. Step 2: Convert to fraction form
    383,986.10/575,987.46 = 117,740.72/x
  3. Step 3: Cross multiply
    383,986.10x = 575,987.46 × 117,740.72
  4. Step 4: Simplify right side
    383,986.10x = 67,817,179,249.81
  5. Step 5: Solve for x
    x = 67,817,179,249.81/383,986.10
  6. Step 6: Final answer
    x = 176,613.63

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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.