Home / 253,519.47-349,919.39-151,605.27

Finding the Fourth Proportional to 253,519.47, 349,919.39 and 151,605.27

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Solution

The fourth proportional to 253,519.47, 349,919.39 and 151,605.27 is: 209,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,519.47 : 349,919.39 = 151,605.27 : x
  2. Step 2: Convert to fraction form
    253,519.47/349,919.39 = 151,605.27/x
  3. Step 3: Cross multiply
    253,519.47x = 349,919.39 × 151,605.27
  4. Step 4: Simplify right side
    253,519.47x = 53,049,623,978.20
  5. Step 5: Solve for x
    x = 53,049,623,978.20/253,519.47
  6. Step 6: Final answer
    x = 209,252.66

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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.