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Finding the Fourth Proportional to 250,176.65, 375,361.16 and 150,405.71

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Solution

The fourth proportional to 250,176.65, 375,361.16 and 150,405.71 is: 225,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,176.65 : 375,361.16 = 150,405.71 : x
  2. Step 2: Convert to fraction form
    250,176.65/375,361.16 = 150,405.71/x
  3. Step 3: Cross multiply
    250,176.65x = 375,361.16 × 150,405.71
  4. Step 4: Simplify right side
    250,176.65x = 56,456,459,147.39
  5. Step 5: Solve for x
    x = 56,456,459,147.39/250,176.65
  6. Step 6: Final answer
    x = 225,666.39

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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.