Home / 413,035.20-619,399.20-163,665.60

Finding the Fourth Proportional to 413,035.20, 619,399.20 and 163,665.60

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Solution

The fourth proportional to 413,035.20, 619,399.20 and 163,665.60 is: 245,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,035.20 : 619,399.20 = 163,665.60 : x
  2. Step 2: Convert to fraction form
    413,035.20/619,399.20 = 163,665.60/x
  3. Step 3: Cross multiply
    413,035.20x = 619,399.20 × 163,665.60
  4. Step 4: Simplify right side
    413,035.20x = 101,374,341,707.52
  5. Step 5: Solve for x
    x = 101,374,341,707.52/413,035.20
  6. Step 6: Final answer
    x = 245,437.54

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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.