Home / 377,911.04-521,513.92-208,141.60

Finding the Fourth Proportional to 377,911.04, 521,513.92 and 208,141.60

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Solution

The fourth proportional to 377,911.04, 521,513.92 and 208,141.60 is: 287,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,911.04 : 521,513.92 = 208,141.60 : x
  2. Step 2: Convert to fraction form
    377,911.04/521,513.92 = 208,141.60/x
  3. Step 3: Cross multiply
    377,911.04x = 521,513.92 × 208,141.60
  4. Step 4: Simplify right side
    377,911.04x = 108,548,741,731.07
  5. Step 5: Solve for x
    x = 108,548,741,731.07/377,911.04
  6. Step 6: Final answer
    x = 287,233.58

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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.