Home / 377,682.13-521,169.55-216,500.23

Finding the Fourth Proportional to 377,682.13, 521,169.55 and 216,500.23

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Solution

The fourth proportional to 377,682.13, 521,169.55 and 216,500.23 is: 298,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,682.13 : 521,169.55 = 216,500.23 : x
  2. Step 2: Convert to fraction form
    377,682.13/521,169.55 = 216,500.23/x
  3. Step 3: Cross multiply
    377,682.13x = 521,169.55 × 216,500.23
  4. Step 4: Simplify right side
    377,682.13x = 112,833,327,444.00
  5. Step 5: Solve for x
    x = 112,833,327,444.00/377,682.13
  6. Step 6: Final answer
    x = 298,752.09

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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.