Home / 330,278.06-455,794.46-187,035.03

Finding the Fourth Proportional to 330,278.06, 455,794.46 and 187,035.03

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Solution

The fourth proportional to 330,278.06, 455,794.46 and 187,035.03 is: 258,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,278.06 : 455,794.46 = 187,035.03 : x
  2. Step 2: Convert to fraction form
    330,278.06/455,794.46 = 187,035.03/x
  3. Step 3: Cross multiply
    330,278.06x = 455,794.46 × 187,035.03
  4. Step 4: Simplify right side
    330,278.06x = 85,249,530,499.93
  5. Step 5: Solve for x
    x = 85,249,530,499.93/330,278.06
  6. Step 6: Final answer
    x = 258,114.42

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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.