Home / 463,278.37-694,831.95-143,370.60

Finding the Fourth Proportional to 463,278.37, 694,831.95 and 143,370.60

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Solution

The fourth proportional to 463,278.37, 694,831.95 and 143,370.60 is: 215,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,278.37 : 694,831.95 = 143,370.60 : x
  2. Step 2: Convert to fraction form
    463,278.37/694,831.95 = 143,370.60/x
  3. Step 3: Cross multiply
    463,278.37x = 694,831.95 × 143,370.60
  4. Step 4: Simplify right side
    463,278.37x = 99,618,473,570.67
  5. Step 5: Solve for x
    x = 99,618,473,570.67/463,278.37
  6. Step 6: Final answer
    x = 215,029.41

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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.