Home / 461,389.52-692,090.04-145,874

Finding the Fourth Proportional to 461,389.52, 692,090.04 and 145,874

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Solution

The fourth proportional to 461,389.52, 692,090.04 and 145,874 is: 218,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,389.52 : 692,090.04 = 145,874 : x
  2. Step 2: Convert to fraction form
    461,389.52/692,090.04 = 145,874/x
  3. Step 3: Cross multiply
    461,389.52x = 692,090.04 × 145,874
  4. Step 4: Simplify right side
    461,389.52x = 100,957,942,494.96
  5. Step 5: Solve for x
    x = 100,957,942,494.96/461,389.52
  6. Step 6: Final answer
    x = 218,812.82

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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.