Home / 427,574.48-641,382.37-112,031.69

Finding the Fourth Proportional to 427,574.48, 641,382.37 and 112,031.69

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Solution

The fourth proportional to 427,574.48, 641,382.37 and 112,031.69 is: 168,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,574.48 : 641,382.37 = 112,031.69 : x
  2. Step 2: Convert to fraction form
    427,574.48/641,382.37 = 112,031.69/x
  3. Step 3: Cross multiply
    427,574.48x = 641,382.37 × 112,031.69
  4. Step 4: Simplify right side
    427,574.48x = 71,855,147,360.31
  5. Step 5: Solve for x
    x = 71,855,147,360.31/427,574.48
  6. Step 6: Final answer
    x = 168,052.94

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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.