Home / 490,799.38-736,215.51-135,783.67

Finding the Fourth Proportional to 490,799.38, 736,215.51 and 135,783.67

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Solution

The fourth proportional to 490,799.38, 736,215.51 and 135,783.67 is: 203,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,799.38 : 736,215.51 = 135,783.67 : x
  2. Step 2: Convert to fraction form
    490,799.38/736,215.51 = 135,783.67/x
  3. Step 3: Cross multiply
    490,799.38x = 736,215.51 × 135,783.67
  4. Step 4: Simplify right side
    490,799.38x = 99,966,043,858.72
  5. Step 5: Solve for x
    x = 99,966,043,858.72/490,799.38
  6. Step 6: Final answer
    x = 203,680.05

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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.