Home / 309,135.81-463,770.24-95,899.47

Finding the Fourth Proportional to 309,135.81, 463,770.24 and 95,899.47

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Solution

The fourth proportional to 309,135.81, 463,770.24 and 95,899.47 is: 143,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,135.81 : 463,770.24 = 95,899.47 : x
  2. Step 2: Convert to fraction form
    309,135.81/463,770.24 = 95,899.47/x
  3. Step 3: Cross multiply
    309,135.81x = 463,770.24 × 95,899.47
  4. Step 4: Simplify right side
    309,135.81x = 44,475,320,217.77
  5. Step 5: Solve for x
    x = 44,475,320,217.77/309,135.81
  6. Step 6: Final answer
    x = 143,869.84

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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.