Home / 377,730.89-521,262.34-216,576.33

Finding the Fourth Proportional to 377,730.89, 521,262.34 and 216,576.33

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Solution

The fourth proportional to 377,730.89, 521,262.34 and 216,576.33 is: 298,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,730.89 : 521,262.34 = 216,576.33 : x
  2. Step 2: Convert to fraction form
    377,730.89/521,262.34 = 216,576.33/x
  3. Step 3: Cross multiply
    377,730.89x = 521,262.34 × 216,576.33
  4. Step 4: Simplify right side
    377,730.89x = 112,893,085,000.34
  5. Step 5: Solve for x
    x = 112,893,085,000.34/377,730.89
  6. Step 6: Final answer
    x = 298,871.73

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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.