Home / 330,289.83-455,784.72-187,050.90

Finding the Fourth Proportional to 330,289.83, 455,784.72 and 187,050.90

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Solution

The fourth proportional to 330,289.83, 455,784.72 and 187,050.90 is: 258,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,289.83 : 455,784.72 = 187,050.90 : x
  2. Step 2: Convert to fraction form
    330,289.83/455,784.72 = 187,050.90/x
  3. Step 3: Cross multiply
    330,289.83x = 455,784.72 × 187,050.90
  4. Step 4: Simplify right side
    330,289.83x = 85,254,942,082.25
  5. Step 5: Solve for x
    x = 85,254,942,082.25/330,289.83
  6. Step 6: Final answer
    x = 258,121.61

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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.