Home / 377,776.98-521,335.71-208,017.18

Finding the Fourth Proportional to 377,776.98, 521,335.71 and 208,017.18

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Solution

The fourth proportional to 377,776.98, 521,335.71 and 208,017.18 is: 287,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,776.98 : 521,335.71 = 208,017.18 : x
  2. Step 2: Convert to fraction form
    377,776.98/521,335.71 = 208,017.18/x
  3. Step 3: Cross multiply
    377,776.98x = 521,335.71 × 208,017.18
  4. Step 4: Simplify right side
    377,776.98x = 108,446,784,227.50
  5. Step 5: Solve for x
    x = 108,446,784,227.50/377,776.98
  6. Step 6: Final answer
    x = 287,065.62

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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.