Home / 377,809.24-521,374.20-208,042

Finding the Fourth Proportional to 377,809.24, 521,374.20 and 208,042

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Solution

The fourth proportional to 377,809.24, 521,374.20 and 208,042 is: 287,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,809.24 : 521,374.20 = 208,042 : x
  2. Step 2: Convert to fraction form
    377,809.24/521,374.20 = 208,042/x
  3. Step 3: Cross multiply
    377,809.24x = 521,374.20 × 208,042
  4. Step 4: Simplify right side
    377,809.24x = 108,467,731,316.40
  5. Step 5: Solve for x
    x = 108,467,731,316.40/377,809.24
  6. Step 6: Final answer
    x = 287,096.56

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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.