Home / 395,720.26-546,104.10-225,970.18

Finding the Fourth Proportional to 395,720.26, 546,104.10 and 225,970.18

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Solution

The fourth proportional to 395,720.26, 546,104.10 and 225,970.18 is: 311,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,720.26 : 546,104.10 = 225,970.18 : x
  2. Step 2: Convert to fraction form
    395,720.26/546,104.10 = 225,970.18/x
  3. Step 3: Cross multiply
    395,720.26x = 546,104.10 × 225,970.18
  4. Step 4: Simplify right side
    395,720.26x = 123,403,241,775.74
  5. Step 5: Solve for x
    x = 123,403,241,775.74/395,720.26
  6. Step 6: Final answer
    x = 311,844.64

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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.