Home / 443,342.49-665,107.27-143,799.81

Finding the Fourth Proportional to 443,342.49, 665,107.27 and 143,799.81

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Solution

The fourth proportional to 443,342.49, 665,107.27 and 143,799.81 is: 215,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,342.49 : 665,107.27 = 143,799.81 : x
  2. Step 2: Convert to fraction form
    443,342.49/665,107.27 = 143,799.81/x
  3. Step 3: Cross multiply
    443,342.49x = 665,107.27 × 143,799.81
  4. Step 4: Simplify right side
    443,342.49x = 95,642,298,696.12
  5. Step 5: Solve for x
    x = 95,642,298,696.12/443,342.49
  6. Step 6: Final answer
    x = 215,730.05

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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.