Home / 446,917.16-616,757.85-242,981.81

Finding the Fourth Proportional to 446,917.16, 616,757.85 and 242,981.81

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Solution

The fourth proportional to 446,917.16, 616,757.85 and 242,981.81 is: 335,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,917.16 : 616,757.85 = 242,981.81 : x
  2. Step 2: Convert to fraction form
    446,917.16/616,757.85 = 242,981.81/x
  3. Step 3: Cross multiply
    446,917.16x = 616,757.85 × 242,981.81
  4. Step 4: Simplify right side
    446,917.16x = 149,860,938,724.71
  5. Step 5: Solve for x
    x = 149,860,938,724.71/446,917.16
  6. Step 6: Final answer
    x = 335,321.51

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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.