Home / 382,087.13-527,285.72-210,021.03

Finding the Fourth Proportional to 382,087.13, 527,285.72 and 210,021.03

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Solution

The fourth proportional to 382,087.13, 527,285.72 and 210,021.03 is: 289,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,087.13 : 527,285.72 = 210,021.03 : x
  2. Step 2: Convert to fraction form
    382,087.13/527,285.72 = 210,021.03/x
  3. Step 3: Cross multiply
    382,087.13x = 527,285.72 × 210,021.03
  4. Step 4: Simplify right side
    382,087.13x = 110,741,088,765.41
  5. Step 5: Solve for x
    x = 110,741,088,765.41/382,087.13
  6. Step 6: Final answer
    x = 289,832.03

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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.