Home / 324,523.41-450,133.48-315,892.05

Finding the Fourth Proportional to 324,523.41, 450,133.48 and 315,892.05

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Solution

The fourth proportional to 324,523.41, 450,133.48 and 315,892.05 is: 438,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,523.41 : 450,133.48 = 315,892.05 : x
  2. Step 2: Convert to fraction form
    324,523.41/450,133.48 = 315,892.05/x
  3. Step 3: Cross multiply
    324,523.41x = 450,133.48 × 315,892.05
  4. Step 4: Simplify right side
    324,523.41x = 142,193,586,981.10
  5. Step 5: Solve for x
    x = 142,193,586,981.10/324,523.41
  6. Step 6: Final answer
    x = 438,161.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.