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Finding the Fourth Proportional to 253,475.30, 349,812.83 and 146,052.29

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Solution

The fourth proportional to 253,475.30, 349,812.83 and 146,052.29 is: 201,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,475.30 : 349,812.83 = 146,052.29 : x
  2. Step 2: Convert to fraction form
    253,475.30/349,812.83 = 146,052.29/x
  3. Step 3: Cross multiply
    253,475.30x = 349,812.83 × 146,052.29
  4. Step 4: Simplify right side
    253,475.30x = 51,090,966,132.54
  5. Step 5: Solve for x
    x = 51,090,966,132.54/253,475.30
  6. Step 6: Final answer
    x = 201,561.91

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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.