Home / 383,631.60-575,447.40-173,679.60

Finding the Fourth Proportional to 383,631.60, 575,447.40 and 173,679.60

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Solution

The fourth proportional to 383,631.60, 575,447.40 and 173,679.60 is: 260,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,631.60 : 575,447.40 = 173,679.60 : x
  2. Step 2: Convert to fraction form
    383,631.60/575,447.40 = 173,679.60/x
  3. Step 3: Cross multiply
    383,631.60x = 575,447.40 × 173,679.60
  4. Step 4: Simplify right side
    383,631.60x = 99,943,474,253.04
  5. Step 5: Solve for x
    x = 99,943,474,253.04/383,631.60
  6. Step 6: Final answer
    x = 260,519.40

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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.