Home / 240,347.52-331,679.88-131,453.28

Finding the Fourth Proportional to 240,347.52, 331,679.88 and 131,453.28

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Solution

The fourth proportional to 240,347.52, 331,679.88 and 131,453.28 is: 181,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,347.52 : 331,679.88 = 131,453.28 : x
  2. Step 2: Convert to fraction form
    240,347.52/331,679.88 = 131,453.28/x
  3. Step 3: Cross multiply
    240,347.52x = 331,679.88 × 131,453.28
  4. Step 4: Simplify right side
    240,347.52x = 43,600,408,136.01
  5. Step 5: Solve for x
    x = 43,600,408,136.01/240,347.52
  6. Step 6: Final answer
    x = 181,405.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.