Home / 387,580.52-534,528.06-251,480.36

Finding the Fourth Proportional to 387,580.52, 534,528.06 and 251,480.36

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Solution

The fourth proportional to 387,580.52, 534,528.06 and 251,480.36 is: 346,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,580.52 : 534,528.06 = 251,480.36 : x
  2. Step 2: Convert to fraction form
    387,580.52/534,528.06 = 251,480.36/x
  3. Step 3: Cross multiply
    387,580.52x = 534,528.06 × 251,480.36
  4. Step 4: Simplify right side
    387,580.52x = 134,423,308,958.90
  5. Step 5: Solve for x
    x = 134,423,308,958.90/387,580.52
  6. Step 6: Final answer
    x = 346,826.79

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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.