Home / 250,173.15-375,355.91-150,402.21

Finding the Fourth Proportional to 250,173.15, 375,355.91 and 150,402.21

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Solution

The fourth proportional to 250,173.15, 375,355.91 and 150,402.21 is: 225,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,173.15 : 375,355.91 = 150,402.21 : x
  2. Step 2: Convert to fraction form
    250,173.15/375,355.91 = 150,402.21/x
  3. Step 3: Cross multiply
    250,173.15x = 375,355.91 × 150,402.21
  4. Step 4: Simplify right side
    250,173.15x = 56,454,358,400.56
  5. Step 5: Solve for x
    x = 56,454,358,400.56/250,173.15
  6. Step 6: Final answer
    x = 225,661.14

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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.