Home / 395,945.36-546,397.89-223,860.50

Finding the Fourth Proportional to 395,945.36, 546,397.89 and 223,860.50

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Solution

The fourth proportional to 395,945.36, 546,397.89 and 223,860.50 is: 308,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,945.36 : 546,397.89 = 223,860.50 : x
  2. Step 2: Convert to fraction form
    395,945.36/546,397.89 = 223,860.50/x
  3. Step 3: Cross multiply
    395,945.36x = 546,397.89 × 223,860.50
  4. Step 4: Simplify right side
    395,945.36x = 122,316,904,854.35
  5. Step 5: Solve for x
    x = 122,316,904,854.35/395,945.36
  6. Step 6: Final answer
    x = 308,923.70

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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.