Home / 245,964.20-368,945.58-77,498.60

Finding the Fourth Proportional to 245,964.20, 368,945.58 and 77,498.60

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Solution

The fourth proportional to 245,964.20, 368,945.58 and 77,498.60 is: 116,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,964.20 : 368,945.58 = 77,498.60 : x
  2. Step 2: Convert to fraction form
    245,964.20/368,945.58 = 77,498.60/x
  3. Step 3: Cross multiply
    245,964.20x = 368,945.58 × 77,498.60
  4. Step 4: Simplify right side
    245,964.20x = 28,592,765,926.19
  5. Step 5: Solve for x
    x = 28,592,765,926.19/245,964.20
  6. Step 6: Final answer
    x = 116,247.67

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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.