Home / 377,633.36-521,073.06-216,458.75

Finding the Fourth Proportional to 377,633.36, 521,073.06 and 216,458.75

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Solution

The fourth proportional to 377,633.36, 521,073.06 and 216,458.75 is: 298,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,633.36 : 521,073.06 = 216,458.75 : x
  2. Step 2: Convert to fraction form
    377,633.36/521,073.06 = 216,458.75/x
  3. Step 3: Cross multiply
    377,633.36x = 521,073.06 × 216,458.75
  4. Step 4: Simplify right side
    377,633.36x = 112,790,823,226.28
  5. Step 5: Solve for x
    x = 112,790,823,226.28/377,633.36
  6. Step 6: Final answer
    x = 298,678.12

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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.