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Finding the Fourth Proportional to 253,871.52, 350,501.91 and 163,384.62

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Solution

The fourth proportional to 253,871.52, 350,501.91 and 163,384.62 is: 225,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,871.52 : 350,501.91 = 163,384.62 : x
  2. Step 2: Convert to fraction form
    253,871.52/350,501.91 = 163,384.62/x
  3. Step 3: Cross multiply
    253,871.52x = 350,501.91 × 163,384.62
  4. Step 4: Simplify right side
    253,871.52x = 57,266,621,374.62
  5. Step 5: Solve for x
    x = 57,266,621,374.62/253,871.52
  6. Step 6: Final answer
    x = 225,573.24

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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.