Home / 343,836.02-515,830.56-113,035.43

Finding the Fourth Proportional to 343,836.02, 515,830.56 and 113,035.43

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Solution

The fourth proportional to 343,836.02, 515,830.56 and 113,035.43 is: 169,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,836.02 : 515,830.56 = 113,035.43 : x
  2. Step 2: Convert to fraction form
    343,836.02/515,830.56 = 113,035.43/x
  3. Step 3: Cross multiply
    343,836.02x = 515,830.56 × 113,035.43
  4. Step 4: Simplify right side
    343,836.02x = 58,307,130,446.32
  5. Step 5: Solve for x
    x = 58,307,130,446.32/343,836.02
  6. Step 6: Final answer
    x = 169,578.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.