Home / 430,759.27-646,434.14-150,276.52

Finding the Fourth Proportional to 430,759.27, 646,434.14 and 150,276.52

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Solution

The fourth proportional to 430,759.27, 646,434.14 and 150,276.52 is: 225,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,759.27 : 646,434.14 = 150,276.52 : x
  2. Step 2: Convert to fraction form
    430,759.27/646,434.14 = 150,276.52/x
  3. Step 3: Cross multiply
    430,759.27x = 646,434.14 × 150,276.52
  4. Step 4: Simplify right side
    430,759.27x = 97,143,870,656.82
  5. Step 5: Solve for x
    x = 97,143,870,656.82/430,759.27
  6. Step 6: Final answer
    x = 225,517.77

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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.