Home / 330,009.36-455,410.24-179,106.40

Finding the Fourth Proportional to 330,009.36, 455,410.24 and 179,106.40

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Solution

The fourth proportional to 330,009.36, 455,410.24 and 179,106.40 is: 247,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,009.36 : 455,410.24 = 179,106.40 : x
  2. Step 2: Convert to fraction form
    330,009.36/455,410.24 = 179,106.40/x
  3. Step 3: Cross multiply
    330,009.36x = 455,410.24 × 179,106.40
  4. Step 4: Simplify right side
    330,009.36x = 81,566,888,609.54
  5. Step 5: Solve for x
    x = 81,566,888,609.54/330,009.36
  6. Step 6: Final answer
    x = 247,165.38

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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.