Home / 427,806.47-590,373.11-234,226.73

Finding the Fourth Proportional to 427,806.47, 590,373.11 and 234,226.73

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Solution

The fourth proportional to 427,806.47, 590,373.11 and 234,226.73 is: 323,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,806.47 : 590,373.11 = 234,226.73 : x
  2. Step 2: Convert to fraction form
    427,806.47/590,373.11 = 234,226.73/x
  3. Step 3: Cross multiply
    427,806.47x = 590,373.11 × 234,226.73
  4. Step 4: Simplify right side
    427,806.47x = 138,281,161,864.10
  5. Step 5: Solve for x
    x = 138,281,161,864.10/427,806.47
  6. Step 6: Final answer
    x = 323,232.98

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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.