Home / 387,766.69-535,118.03-226,757.01

Finding the Fourth Proportional to 387,766.69, 535,118.03 and 226,757.01

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Solution

The fourth proportional to 387,766.69, 535,118.03 and 226,757.01 is: 312,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,766.69 : 535,118.03 = 226,757.01 : x
  2. Step 2: Convert to fraction form
    387,766.69/535,118.03 = 226,757.01/x
  3. Step 3: Cross multiply
    387,766.69x = 535,118.03 × 226,757.01
  4. Step 4: Simplify right side
    387,766.69x = 121,341,766,203.14
  5. Step 5: Solve for x
    x = 121,341,766,203.14/387,766.69
  6. Step 6: Final answer
    x = 312,924.68

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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.