Home / 330,009.20-455,412.60-179,106.20

Finding the Fourth Proportional to 330,009.20, 455,412.60 and 179,106.20

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Solution

The fourth proportional to 330,009.20, 455,412.60 and 179,106.20 is: 247,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,009.20 : 455,412.60 = 179,106.20 : x
  2. Step 2: Convert to fraction form
    330,009.20/455,412.60 = 179,106.20/x
  3. Step 3: Cross multiply
    330,009.20x = 455,412.60 × 179,106.20
  4. Step 4: Simplify right side
    330,009.20x = 81,567,217,941.06
  5. Step 5: Solve for x
    x = 81,567,217,941.06/330,009.20
  6. Step 6: Final answer
    x = 247,166.50

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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.