Home / 377,966.90-521,595.72-208,200.62

Finding the Fourth Proportional to 377,966.90, 521,595.72 and 208,200.62

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Solution

The fourth proportional to 377,966.90, 521,595.72 and 208,200.62 is: 287,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,966.90 : 521,595.72 = 208,200.62 : x
  2. Step 2: Convert to fraction form
    377,966.90/521,595.72 = 208,200.62/x
  3. Step 3: Cross multiply
    377,966.90x = 521,595.72 × 208,200.62
  4. Step 4: Simplify right side
    377,966.90x = 108,596,552,293.35
  5. Step 5: Solve for x
    x = 108,596,552,293.35/377,966.90
  6. Step 6: Final answer
    x = 287,317.63

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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.