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Finding the Fourth Proportional to 349,369.17, 524,164.52 and 124,724.64

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Solution

The fourth proportional to 349,369.17, 524,164.52 and 124,724.64 is: 187,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,369.17 : 524,164.52 = 124,724.64 : x
  2. Step 2: Convert to fraction form
    349,369.17/524,164.52 = 124,724.64/x
  3. Step 3: Cross multiply
    349,369.17x = 524,164.52 × 124,724.64
  4. Step 4: Simplify right side
    349,369.17x = 65,376,228,210.99
  5. Step 5: Solve for x
    x = 65,376,228,210.99/349,369.17
  6. Step 6: Final answer
    x = 187,126.49

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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.