Home / 383,799.40-575,742.30-117,557.80

Finding the Fourth Proportional to 383,799.40, 575,742.30 and 117,557.80

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Solution

The fourth proportional to 383,799.40, 575,742.30 and 117,557.80 is: 176,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,799.40 : 575,742.30 = 117,557.80 : x
  2. Step 2: Convert to fraction form
    383,799.40/575,742.30 = 117,557.80/x
  3. Step 3: Cross multiply
    383,799.40x = 575,742.30 × 117,557.80
  4. Step 4: Simplify right side
    383,799.40x = 67,682,998,154.94
  5. Step 5: Solve for x
    x = 67,682,998,154.94/383,799.40
  6. Step 6: Final answer
    x = 176,349.93

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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.