Home / 355,963.26-534,155.34-131,482.28

Finding the Fourth Proportional to 355,963.26, 534,155.34 and 131,482.28

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Solution

The fourth proportional to 355,963.26, 534,155.34 and 131,482.28 is: 197,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,963.26 : 534,155.34 = 131,482.28 : x
  2. Step 2: Convert to fraction form
    355,963.26/534,155.34 = 131,482.28/x
  3. Step 3: Cross multiply
    355,963.26x = 534,155.34 × 131,482.28
  4. Step 4: Simplify right side
    355,963.26x = 70,231,961,977.38
  5. Step 5: Solve for x
    x = 70,231,961,977.38/355,963.26
  6. Step 6: Final answer
    x = 197,301.15

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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.