Home / 383,844.20-575,715.90-117,631.40

Finding the Fourth Proportional to 383,844.20, 575,715.90 and 117,631.40

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Solution

The fourth proportional to 383,844.20, 575,715.90 and 117,631.40 is: 176,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,844.20 : 575,715.90 = 117,631.40 : x
  2. Step 2: Convert to fraction form
    383,844.20/575,715.90 = 117,631.40/x
  3. Step 3: Cross multiply
    383,844.20x = 575,715.90 × 117,631.40
  4. Step 4: Simplify right side
    383,844.20x = 67,722,267,319.26
  5. Step 5: Solve for x
    x = 67,722,267,319.26/383,844.20
  6. Step 6: Final answer
    x = 176,431.65

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1.5x scale

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.