Home / 395,175.60-545,342.29-213,887.50

Finding the Fourth Proportional to 395,175.60, 545,342.29 and 213,887.50

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Solution

The fourth proportional to 395,175.60, 545,342.29 and 213,887.50 is: 295,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,175.60 : 545,342.29 = 213,887.50 : x
  2. Step 2: Convert to fraction form
    395,175.60/545,342.29 = 213,887.50/x
  3. Step 3: Cross multiply
    395,175.60x = 545,342.29 × 213,887.50
  4. Step 4: Simplify right side
    395,175.60x = 116,641,897,154.30
  5. Step 5: Solve for x
    x = 116,641,897,154.30/395,175.60
  6. Step 6: Final answer
    x = 295,164.72

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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.