Home / 374,820.21-517,287.47-205,079.85

Finding the Fourth Proportional to 374,820.21, 517,287.47 and 205,079.85

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Solution

The fourth proportional to 374,820.21, 517,287.47 and 205,079.85 is: 283,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,820.21 : 517,287.47 = 205,079.85 : x
  2. Step 2: Convert to fraction form
    374,820.21/517,287.47 = 205,079.85/x
  3. Step 3: Cross multiply
    374,820.21x = 517,287.47 × 205,079.85
  4. Step 4: Simplify right side
    374,820.21x = 106,085,235,729.08
  5. Step 5: Solve for x
    x = 106,085,235,729.08/374,820.21
  6. Step 6: Final answer
    x = 283,029.66

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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.