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Finding the Fourth Proportional to 349,374.76, 524,036.22 and 124,709.56

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Solution

The fourth proportional to 349,374.76, 524,036.22 and 124,709.56 is: 187,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,374.76 : 524,036.22 = 124,709.56 : x
  2. Step 2: Convert to fraction form
    349,374.76/524,036.22 = 124,709.56/x
  3. Step 3: Cross multiply
    349,374.76x = 524,036.22 × 124,709.56
  4. Step 4: Simplify right side
    349,374.76x = 65,352,326,420.26
  5. Step 5: Solve for x
    x = 65,352,326,420.26/349,374.76
  6. Step 6: Final answer
    x = 187,055.09

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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.