Home / 343,741.12-515,552.20-91,025.24

Finding the Fourth Proportional to 343,741.12, 515,552.20 and 91,025.24

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Solution

The fourth proportional to 343,741.12, 515,552.20 and 91,025.24 is: 136,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,741.12 : 515,552.20 = 91,025.24 : x
  2. Step 2: Convert to fraction form
    343,741.12/515,552.20 = 91,025.24/x
  3. Step 3: Cross multiply
    343,741.12x = 515,552.20 × 91,025.24
  4. Step 4: Simplify right side
    343,741.12x = 46,928,262,737.53
  5. Step 5: Solve for x
    x = 46,928,262,737.53/343,741.12
  6. Step 6: Final answer
    x = 136,522.11

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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.