Home / 251,333.03-346,723.98-222,681.92

Finding the Fourth Proportional to 251,333.03, 346,723.98 and 222,681.92

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Solution

The fourth proportional to 251,333.03, 346,723.98 and 222,681.92 is: 307,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,333.03 : 346,723.98 = 222,681.92 : x
  2. Step 2: Convert to fraction form
    251,333.03/346,723.98 = 222,681.92/x
  3. Step 3: Cross multiply
    251,333.03x = 346,723.98 × 222,681.92
  4. Step 4: Simplify right side
    251,333.03x = 77,209,159,842.82
  5. Step 5: Solve for x
    x = 77,209,159,842.82/251,333.03
  6. Step 6: Final answer
    x = 307,198.63

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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.