Home / 314,628.20-471,164.70-208,874.60

Finding the Fourth Proportional to 314,628.20, 471,164.70 and 208,874.60

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Solution

The fourth proportional to 314,628.20, 471,164.70 and 208,874.60 is: 312,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,628.20 : 471,164.70 = 208,874.60 : x
  2. Step 2: Convert to fraction form
    314,628.20/471,164.70 = 208,874.60/x
  3. Step 3: Cross multiply
    314,628.20x = 471,164.70 × 208,874.60
  4. Step 4: Simplify right side
    314,628.20x = 98,414,338,246.62
  5. Step 5: Solve for x
    x = 98,414,338,246.62/314,628.20
  6. Step 6: Final answer
    x = 312,795.67

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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.