Home / 377,849.27-521,455.71-208,083.39

Finding the Fourth Proportional to 377,849.27, 521,455.71 and 208,083.39

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Solution

The fourth proportional to 377,849.27, 521,455.71 and 208,083.39 is: 287,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,849.27 : 521,455.71 = 208,083.39 : x
  2. Step 2: Convert to fraction form
    377,849.27/521,455.71 = 208,083.39/x
  3. Step 3: Cross multiply
    377,849.27x = 521,455.71 × 208,083.39
  4. Step 4: Simplify right side
    377,849.27x = 108,506,271,871.66
  5. Step 5: Solve for x
    x = 108,506,271,871.66/377,849.27
  6. Step 6: Final answer
    x = 287,168.14

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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.