Home / 377,934.16-521,542.88-208,184.08

Finding the Fourth Proportional to 377,934.16, 521,542.88 and 208,184.08

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Solution

The fourth proportional to 377,934.16, 521,542.88 and 208,184.08 is: 287,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,934.16 : 521,542.88 = 208,184.08 : x
  2. Step 2: Convert to fraction form
    377,934.16/521,542.88 = 208,184.08/x
  3. Step 3: Cross multiply
    377,934.16x = 521,542.88 × 208,184.08
  4. Step 4: Simplify right side
    377,934.16x = 108,576,924,653.35
  5. Step 5: Solve for x
    x = 108,576,924,653.35/377,934.16
  6. Step 6: Final answer
    x = 287,290.58

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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.