Home / 387,733.24-535,067.22-217,967.50

Finding the Fourth Proportional to 387,733.24, 535,067.22 and 217,967.50

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Solution

The fourth proportional to 387,733.24, 535,067.22 and 217,967.50 is: 300,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,733.24 : 535,067.22 = 217,967.50 : x
  2. Step 2: Convert to fraction form
    387,733.24/535,067.22 = 217,967.50/x
  3. Step 3: Cross multiply
    387,733.24x = 535,067.22 × 217,967.50
  4. Step 4: Simplify right side
    387,733.24x = 116,627,264,275.35
  5. Step 5: Solve for x
    x = 116,627,264,275.35/387,733.24
  6. Step 6: Final answer
    x = 300,792.54

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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.