Home / 377,520.45-520,989.18-205,449.51

Finding the Fourth Proportional to 377,520.45, 520,989.18 and 205,449.51

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Solution

The fourth proportional to 377,520.45, 520,989.18 and 205,449.51 is: 283,526.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,520.45 : 520,989.18 = 205,449.51 : x
  2. Step 2: Convert to fraction form
    377,520.45/520,989.18 = 205,449.51/x
  3. Step 3: Cross multiply
    377,520.45x = 520,989.18 × 205,449.51
  4. Step 4: Simplify right side
    377,520.45x = 107,036,971,746.30
  5. Step 5: Solve for x
    x = 107,036,971,746.30/377,520.45
  6. Step 6: Final answer
    x = 283,526.29

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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.