Home / 377,739.30-521,264.46-207,962.49

Finding the Fourth Proportional to 377,739.30, 521,264.46 and 207,962.49

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Solution

The fourth proportional to 377,739.30, 521,264.46 and 207,962.49 is: 286,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,739.30 : 521,264.46 = 207,962.49 : x
  2. Step 2: Convert to fraction form
    377,739.30/521,264.46 = 207,962.49/x
  3. Step 3: Cross multiply
    377,739.30x = 521,264.46 × 207,962.49
  4. Step 4: Simplify right side
    377,739.30x = 108,403,455,050.11
  5. Step 5: Solve for x
    x = 108,403,455,050.11/377,739.30
  6. Step 6: Final answer
    x = 286,979.55

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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.