Home / 261,244.32-391,977.43-142,777.26

Finding the Fourth Proportional to 261,244.32, 391,977.43 and 142,777.26

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Solution

The fourth proportional to 261,244.32, 391,977.43 and 142,777.26 is: 214,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,244.32 : 391,977.43 = 142,777.26 : x
  2. Step 2: Convert to fraction form
    261,244.32/391,977.43 = 142,777.26/x
  3. Step 3: Cross multiply
    261,244.32x = 391,977.43 × 142,777.26
  4. Step 4: Simplify right side
    261,244.32x = 55,965,463,437.24
  5. Step 5: Solve for x
    x = 55,965,463,437.24/261,244.32
  6. Step 6: Final answer
    x = 214,226.53

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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.