Home / 469,982.51-648,576.68-255,122.72

Finding the Fourth Proportional to 469,982.51, 648,576.68 and 255,122.72

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Solution

The fourth proportional to 469,982.51, 648,576.68 and 255,122.72 is: 352,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,982.51 : 648,576.68 = 255,122.72 : x
  2. Step 2: Convert to fraction form
    469,982.51/648,576.68 = 255,122.72/x
  3. Step 3: Cross multiply
    469,982.51x = 648,576.68 × 255,122.72
  4. Step 4: Simplify right side
    469,982.51x = 165,466,646,730.17
  5. Step 5: Solve for x
    x = 165,466,646,730.17/469,982.51
  6. Step 6: Final answer
    x = 352,069.80

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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.