Home / 427,890.07-590,497.31-234,305.94

Finding the Fourth Proportional to 427,890.07, 590,497.31 and 234,305.94

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Solution

The fourth proportional to 427,890.07, 590,497.31 and 234,305.94 is: 323,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,890.07 : 590,497.31 = 234,305.94 : x
  2. Step 2: Convert to fraction form
    427,890.07/590,497.31 = 234,305.94/x
  3. Step 3: Cross multiply
    427,890.07x = 590,497.31 × 234,305.94
  4. Step 4: Simplify right side
    427,890.07x = 138,357,027,287.02
  5. Step 5: Solve for x
    x = 138,357,027,287.02/427,890.07
  6. Step 6: Final answer
    x = 323,347.13

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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.