Home / 387,143.31-579,780.54-232,825.52

Finding the Fourth Proportional to 387,143.31, 579,780.54 and 232,825.52

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Solution

The fourth proportional to 387,143.31, 579,780.54 and 232,825.52 is: 348,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,143.31 : 579,780.54 = 232,825.52 : x
  2. Step 2: Convert to fraction form
    387,143.31/579,780.54 = 232,825.52/x
  3. Step 3: Cross multiply
    387,143.31x = 579,780.54 × 232,825.52
  4. Step 4: Simplify right side
    387,143.31x = 134,987,702,812.48
  5. Step 5: Solve for x
    x = 134,987,702,812.48/387,143.31
  6. Step 6: Final answer
    x = 348,676.32

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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.