Home / 290,164.24-435,369.39-140,516.03

Finding the Fourth Proportional to 290,164.24, 435,369.39 and 140,516.03

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Solution

The fourth proportional to 290,164.24, 435,369.39 and 140,516.03 is: 210,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,164.24 : 435,369.39 = 140,516.03 : x
  2. Step 2: Convert to fraction form
    290,164.24/435,369.39 = 140,516.03/x
  3. Step 3: Cross multiply
    290,164.24x = 435,369.39 × 140,516.03
  4. Step 4: Simplify right side
    290,164.24x = 61,176,378,266.32
  5. Step 5: Solve for x
    x = 61,176,378,266.32/290,164.24
  6. Step 6: Final answer
    x = 210,833.62

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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.