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Finding the Fourth Proportional to 349,383.76, 524,186.40 and 124,739.30

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Solution

The fourth proportional to 349,383.76, 524,186.40 and 124,739.30 is: 187,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,383.76 : 524,186.40 = 124,739.30 : x
  2. Step 2: Convert to fraction form
    349,383.76/524,186.40 = 124,739.30/x
  3. Step 3: Cross multiply
    349,383.76x = 524,186.40 × 124,739.30
  4. Step 4: Simplify right side
    349,383.76x = 65,386,644,605.52
  5. Step 5: Solve for x
    x = 65,386,644,605.52/349,383.76
  6. Step 6: Final answer
    x = 187,148.49

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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.