Home / 280,943.44-421,415.56-114,731.44

Finding the Fourth Proportional to 280,943.44, 421,415.56 and 114,731.44

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Solution

The fourth proportional to 280,943.44, 421,415.56 and 114,731.44 is: 172,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,943.44 : 421,415.56 = 114,731.44 : x
  2. Step 2: Convert to fraction form
    280,943.44/421,415.56 = 114,731.44/x
  3. Step 3: Cross multiply
    280,943.44x = 421,415.56 × 114,731.44
  4. Step 4: Simplify right side
    280,943.44x = 48,349,613,127.08
  5. Step 5: Solve for x
    x = 48,349,613,127.08/280,943.44
  6. Step 6: Final answer
    x = 172,097.32

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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.