Home / 395,973.10-546,454.41-223,887.37

Finding the Fourth Proportional to 395,973.10, 546,454.41 and 223,887.37

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Solution

The fourth proportional to 395,973.10, 546,454.41 and 223,887.37 is: 308,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,973.10 : 546,454.41 = 223,887.37 : x
  2. Step 2: Convert to fraction form
    395,973.10/546,454.41 = 223,887.37/x
  3. Step 3: Cross multiply
    395,973.10x = 546,454.41 × 223,887.37
  4. Step 4: Simplify right side
    395,973.10x = 122,344,239,498.69
  5. Step 5: Solve for x
    x = 122,344,239,498.69/395,973.10
  6. Step 6: Final answer
    x = 308,971.09

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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.