Home / 446,780.12-616,559.96-242,831.12

Finding the Fourth Proportional to 446,780.12, 616,559.96 and 242,831.12

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Solution

The fourth proportional to 446,780.12, 616,559.96 and 242,831.12 is: 335,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,780.12 : 616,559.96 = 242,831.12 : x
  2. Step 2: Convert to fraction form
    446,780.12/616,559.96 = 242,831.12/x
  3. Step 3: Cross multiply
    446,780.12x = 616,559.96 × 242,831.12
  4. Step 4: Simplify right side
    446,780.12x = 149,719,945,633.96
  5. Step 5: Solve for x
    x = 149,719,945,633.96/446,780.12
  6. Step 6: Final answer
    x = 335,108.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.