Home / 357,723.34-493,164.88-285,371.75

Finding the Fourth Proportional to 357,723.34, 493,164.88 and 285,371.75

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Solution

The fourth proportional to 357,723.34, 493,164.88 and 285,371.75 is: 393,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,723.34 : 493,164.88 = 285,371.75 : x
  2. Step 2: Convert to fraction form
    357,723.34/493,164.88 = 285,371.75/x
  3. Step 3: Cross multiply
    357,723.34x = 493,164.88 × 285,371.75
  4. Step 4: Simplify right side
    357,723.34x = 140,735,322,735.03
  5. Step 5: Solve for x
    x = 140,735,322,735.03/357,723.34
  6. Step 6: Final answer
    x = 393,419.46

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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.