Home / 373,839.29-515,829.20-212,684.93

Finding the Fourth Proportional to 373,839.29, 515,829.20 and 212,684.93

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Solution

The fourth proportional to 373,839.29, 515,829.20 and 212,684.93 is: 293,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,839.29 : 515,829.20 = 212,684.93 : x
  2. Step 2: Convert to fraction form
    373,839.29/515,829.20 = 212,684.93/x
  3. Step 3: Cross multiply
    373,839.29x = 515,829.20 × 212,684.93
  4. Step 4: Simplify right side
    373,839.29x = 109,709,093,651.39
  5. Step 5: Solve for x
    x = 109,709,093,651.39/373,839.29
  6. Step 6: Final answer
    x = 293,465.93

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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.