Home / 383,854.37-575,760.77-117,615.65

Finding the Fourth Proportional to 383,854.37, 575,760.77 and 117,615.65

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Solution

The fourth proportional to 383,854.37, 575,760.77 and 117,615.65 is: 176,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,854.37 : 575,760.77 = 117,615.65 : x
  2. Step 2: Convert to fraction form
    383,854.37/575,760.77 = 117,615.65/x
  3. Step 3: Cross multiply
    383,854.37x = 575,760.77 × 117,615.65
  4. Step 4: Simplify right side
    383,854.37x = 67,718,473,741.17
  5. Step 5: Solve for x
    x = 67,718,473,741.17/383,854.37
  6. Step 6: Final answer
    x = 176,417.10

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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.