Home / 330,244.30-455,737.08-187,004.30

Finding the Fourth Proportional to 330,244.30, 455,737.08 and 187,004.30

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Solution

The fourth proportional to 330,244.30, 455,737.08 and 187,004.30 is: 258,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,244.30 : 455,737.08 = 187,004.30 : x
  2. Step 2: Convert to fraction form
    330,244.30/455,737.08 = 187,004.30/x
  3. Step 3: Cross multiply
    330,244.30x = 455,737.08 × 187,004.30
  4. Step 4: Simplify right side
    330,244.30x = 85,224,794,768.79
  5. Step 5: Solve for x
    x = 85,224,794,768.79/330,244.30
  6. Step 6: Final answer
    x = 258,065.91

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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.