Home / 330,124.86-455,565.24-179,221.86

Finding the Fourth Proportional to 330,124.86, 455,565.24 and 179,221.86

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Solution

The fourth proportional to 330,124.86, 455,565.24 and 179,221.86 is: 247,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,124.86 : 455,565.24 = 179,221.86 : x
  2. Step 2: Convert to fraction form
    330,124.86/455,565.24 = 179,221.86/x
  3. Step 3: Cross multiply
    330,124.86x = 455,565.24 × 179,221.86
  4. Step 4: Simplify right side
    330,124.86x = 81,647,249,664.15
  5. Step 5: Solve for x
    x = 81,647,249,664.15/330,124.86
  6. Step 6: Final answer
    x = 247,322.33

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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.