Home / 253,629.81-380,584.74-141,373.22

Finding the Fourth Proportional to 253,629.81, 380,584.74 and 141,373.22

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Solution

The fourth proportional to 253,629.81, 380,584.74 and 141,373.22 is: 212,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,629.81 : 380,584.74 = 141,373.22 : x
  2. Step 2: Convert to fraction form
    253,629.81/380,584.74 = 141,373.22/x
  3. Step 3: Cross multiply
    253,629.81x = 380,584.74 × 141,373.22
  4. Step 4: Simplify right side
    253,629.81x = 53,804,490,176.66
  5. Step 5: Solve for x
    x = 53,804,490,176.66/253,629.81
  6. Step 6: Final answer
    x = 212,137.88

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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.