Home / 387,533.25-534,845.97-217,767.42

Finding the Fourth Proportional to 387,533.25, 534,845.97 and 217,767.42

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Solution

The fourth proportional to 387,533.25, 534,845.97 and 217,767.42 is: 300,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,533.25 : 534,845.97 = 217,767.42 : x
  2. Step 2: Convert to fraction form
    387,533.25/534,845.97 = 217,767.42/x
  3. Step 3: Cross multiply
    387,533.25x = 534,845.97 × 217,767.42
  4. Step 4: Simplify right side
    387,533.25x = 116,472,026,984.30
  5. Step 5: Solve for x
    x = 116,472,026,984.30/387,533.25
  6. Step 6: Final answer
    x = 300,547.18

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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.