Home / 377,731.51-521,268.54-207,965.63

Finding the Fourth Proportional to 377,731.51, 521,268.54 and 207,965.63

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Solution

The fourth proportional to 377,731.51, 521,268.54 and 207,965.63 is: 286,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,731.51 : 521,268.54 = 207,965.63 : x
  2. Step 2: Convert to fraction form
    377,731.51/521,268.54 = 207,965.63/x
  3. Step 3: Cross multiply
    377,731.51x = 521,268.54 × 207,965.63
  4. Step 4: Simplify right side
    377,731.51x = 108,405,940,320.28
  5. Step 5: Solve for x
    x = 108,405,940,320.28/377,731.51
  6. Step 6: Final answer
    x = 286,992.05

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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.