Home / 215,343.44-296,862.38-142,624.50

Finding the Fourth Proportional to 215,343.44, 296,862.38 and 142,624.50

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Solution

The fourth proportional to 215,343.44, 296,862.38 and 142,624.50 is: 196,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,343.44 : 296,862.38 = 142,624.50 : x
  2. Step 2: Convert to fraction form
    215,343.44/296,862.38 = 142,624.50/x
  3. Step 3: Cross multiply
    215,343.44x = 296,862.38 × 142,624.50
  4. Step 4: Simplify right side
    215,343.44x = 42,339,848,516.31
  5. Step 5: Solve for x
    x = 42,339,848,516.31/215,343.44
  6. Step 6: Final answer
    x = 196,615.46

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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.