Home / 445,723.83-615,087.81-249,487.56

Finding the Fourth Proportional to 445,723.83, 615,087.81 and 249,487.56

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Solution

The fourth proportional to 445,723.83, 615,087.81 and 249,487.56 is: 344,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,723.83 : 615,087.81 = 249,487.56 : x
  2. Step 2: Convert to fraction form
    445,723.83/615,087.81 = 249,487.56/x
  3. Step 3: Cross multiply
    445,723.83x = 615,087.81 × 249,487.56
  4. Step 4: Simplify right side
    445,723.83x = 153,456,756,902.64
  5. Step 5: Solve for x
    x = 153,456,756,902.64/445,723.83
  6. Step 6: Final answer
    x = 344,286.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.