Home / 379,965.80-570,062.84-113,735

Finding the Fourth Proportional to 379,965.80, 570,062.84 and 113,735

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Solution

The fourth proportional to 379,965.80, 570,062.84 and 113,735 is: 170,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,965.80 : 570,062.84 = 113,735 : x
  2. Step 2: Convert to fraction form
    379,965.80/570,062.84 = 113,735/x
  3. Step 3: Cross multiply
    379,965.80x = 570,062.84 × 113,735
  4. Step 4: Simplify right side
    379,965.80x = 64,836,097,107.40
  5. Step 5: Solve for x
    x = 64,836,097,107.40/379,965.80
  6. Step 6: Final answer
    x = 170,636.67

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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.