Home / 240,208.47-331,487.76-131,313.28

Finding the Fourth Proportional to 240,208.47, 331,487.76 and 131,313.28

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Solution

The fourth proportional to 240,208.47, 331,487.76 and 131,313.28 is: 181,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,208.47 : 331,487.76 = 131,313.28 : x
  2. Step 2: Convert to fraction form
    240,208.47/331,487.76 = 131,313.28/x
  3. Step 3: Cross multiply
    240,208.47x = 331,487.76 × 131,313.28
  4. Step 4: Simplify right side
    240,208.47x = 43,528,745,045.45
  5. Step 5: Solve for x
    x = 43,528,745,045.45/240,208.47
  6. Step 6: Final answer
    x = 181,212.37

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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.