Home / 377,731.89-521,263.72-216,577.33

Finding the Fourth Proportional to 377,731.89, 521,263.72 and 216,577.33

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Solution

The fourth proportional to 377,731.89, 521,263.72 and 216,577.33 is: 298,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,731.89 : 521,263.72 = 216,577.33 : x
  2. Step 2: Convert to fraction form
    377,731.89/521,263.72 = 216,577.33/x
  3. Step 3: Cross multiply
    377,731.89x = 521,263.72 × 216,577.33
  4. Step 4: Simplify right side
    377,731.89x = 112,893,904,703.47
  5. Step 5: Solve for x
    x = 112,893,904,703.47/377,731.89
  6. Step 6: Final answer
    x = 298,873.11

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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.