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Finding the Fourth Proportional to 253,820.49, 350,227.88 and 144,875.09

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Solution

The fourth proportional to 253,820.49, 350,227.88 and 144,875.09 is: 199,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,820.49 : 350,227.88 = 144,875.09 : x
  2. Step 2: Convert to fraction form
    253,820.49/350,227.88 = 144,875.09/x
  3. Step 3: Cross multiply
    253,820.49x = 350,227.88 × 144,875.09
  4. Step 4: Simplify right side
    253,820.49x = 50,739,295,635.51
  5. Step 5: Solve for x
    x = 50,739,295,635.51/253,820.49
  6. Step 6: Final answer
    x = 199,902.28

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1.5x scale

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.