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Finding the Fourth Proportional to 253,484.48, 349,808.28 and 146,059.04

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Solution

The fourth proportional to 253,484.48, 349,808.28 and 146,059.04 is: 201,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,484.48 : 349,808.28 = 146,059.04 : x
  2. Step 2: Convert to fraction form
    253,484.48/349,808.28 = 146,059.04/x
  3. Step 3: Cross multiply
    253,484.48x = 349,808.28 × 146,059.04
  4. Step 4: Simplify right side
    253,484.48x = 51,092,661,560.85
  5. Step 5: Solve for x
    x = 51,092,661,560.85/253,484.48
  6. Step 6: Final answer
    x = 201,561.30

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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.