Home / 374,830.20-517,301.28-205,089.84

Finding the Fourth Proportional to 374,830.20, 517,301.28 and 205,089.84

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Solution

The fourth proportional to 374,830.20, 517,301.28 and 205,089.84 is: 283,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,830.20 : 517,301.28 = 205,089.84 : x
  2. Step 2: Convert to fraction form
    374,830.20/517,301.28 = 205,089.84/x
  3. Step 3: Cross multiply
    374,830.20x = 517,301.28 × 205,089.84
  4. Step 4: Simplify right side
    374,830.20x = 106,093,236,747.00
  5. Step 5: Solve for x
    x = 106,093,236,747.00/374,830.20
  6. Step 6: Final answer
    x = 283,043.46

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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.