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Finding the Fourth Proportional to 394,570.74, 592,298.37 and 158,078.28

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Solution

The fourth proportional to 394,570.74, 592,298.37 and 158,078.28 is: 237,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,570.74 : 592,298.37 = 158,078.28 : x
  2. Step 2: Convert to fraction form
    394,570.74/592,298.37 = 158,078.28/x
  3. Step 3: Cross multiply
    394,570.74x = 592,298.37 × 158,078.28
  4. Step 4: Simplify right side
    394,570.74x = 93,629,507,576.40
  5. Step 5: Solve for x
    x = 93,629,507,576.40/394,570.74
  6. Step 6: Final answer
    x = 237,294.60

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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.