Home / 317,199.20-475,774.08-117,425.60

Finding the Fourth Proportional to 317,199.20, 475,774.08 and 117,425.60

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Solution

The fourth proportional to 317,199.20, 475,774.08 and 117,425.60 is: 176,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,199.20 : 475,774.08 = 117,425.60 : x
  2. Step 2: Convert to fraction form
    317,199.20/475,774.08 = 117,425.60/x
  3. Step 3: Cross multiply
    317,199.20x = 475,774.08 × 117,425.60
  4. Step 4: Simplify right side
    317,199.20x = 55,868,056,808.45
  5. Step 5: Solve for x
    x = 55,868,056,808.45/317,199.20
  6. Step 6: Final answer
    x = 176,129.25

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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.