Home / 377,567.16-521,046.36-207,805.20

Finding the Fourth Proportional to 377,567.16, 521,046.36 and 207,805.20

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Solution

The fourth proportional to 377,567.16, 521,046.36 and 207,805.20 is: 286,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,567.16 : 521,046.36 = 207,805.20 : x
  2. Step 2: Convert to fraction form
    377,567.16/521,046.36 = 207,805.20/x
  3. Step 3: Cross multiply
    377,567.16x = 521,046.36 × 207,805.20
  4. Step 4: Simplify right side
    377,567.16x = 108,276,143,049.07
  5. Step 5: Solve for x
    x = 108,276,143,049.07/377,567.16
  6. Step 6: Final answer
    x = 286,773.20

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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.