Home / 461,285.37-691,923.90-145,742.25

Finding the Fourth Proportional to 461,285.37, 691,923.90 and 145,742.25

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Solution

The fourth proportional to 461,285.37, 691,923.90 and 145,742.25 is: 218,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,285.37 : 691,923.90 = 145,742.25 : x
  2. Step 2: Convert to fraction form
    461,285.37/691,923.90 = 145,742.25/x
  3. Step 3: Cross multiply
    461,285.37x = 691,923.90 × 145,742.25
  4. Step 4: Simplify right side
    461,285.37x = 100,842,546,014.78
  5. Step 5: Solve for x
    x = 100,842,546,014.78/461,285.37
  6. Step 6: Final answer
    x = 218,612.06

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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.