Home / 263,341.86-363,409.18-142,480.49

Finding the Fourth Proportional to 263,341.86, 363,409.18 and 142,480.49

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Solution

The fourth proportional to 263,341.86, 363,409.18 and 142,480.49 is: 196,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,341.86 : 363,409.18 = 142,480.49 : x
  2. Step 2: Convert to fraction form
    263,341.86/363,409.18 = 142,480.49/x
  3. Step 3: Cross multiply
    263,341.86x = 363,409.18 × 142,480.49
  4. Step 4: Simplify right side
    263,341.86x = 51,778,718,036.90
  5. Step 5: Solve for x
    x = 51,778,718,036.90/263,341.86
  6. Step 6: Final answer
    x = 196,621.68

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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.