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Finding the Fourth Proportional to 253,450.28, 380,304.40 and 158,664.26

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Solution

The fourth proportional to 253,450.28, 380,304.40 and 158,664.26 is: 238,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,450.28 : 380,304.40 = 158,664.26 : x
  2. Step 2: Convert to fraction form
    253,450.28/380,304.40 = 158,664.26/x
  3. Step 3: Cross multiply
    253,450.28x = 380,304.40 × 158,664.26
  4. Step 4: Simplify right side
    253,450.28x = 60,340,716,200.74
  5. Step 5: Solve for x
    x = 60,340,716,200.74/253,450.28
  6. Step 6: Final answer
    x = 238,077.13

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1.5x scale

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.