Home / 309,665.21-464,386.43-107,206.34

Finding the Fourth Proportional to 309,665.21, 464,386.43 and 107,206.34

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Solution

The fourth proportional to 309,665.21, 464,386.43 and 107,206.34 is: 160,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,665.21 : 464,386.43 = 107,206.34 : x
  2. Step 2: Convert to fraction form
    309,665.21/464,386.43 = 107,206.34/x
  3. Step 3: Cross multiply
    309,665.21x = 464,386.43 × 107,206.34
  4. Step 4: Simplify right side
    309,665.21x = 49,785,167,452.05
  5. Step 5: Solve for x
    x = 49,785,167,452.05/309,665.21
  6. Step 6: Final answer
    x = 160,770.94

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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.