Home / 395,822.13-546,269.09-217,008.69

Finding the Fourth Proportional to 395,822.13, 546,269.09 and 217,008.69

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Solution

The fourth proportional to 395,822.13, 546,269.09 and 217,008.69 is: 299,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,822.13 : 546,269.09 = 217,008.69 : x
  2. Step 2: Convert to fraction form
    395,822.13/546,269.09 = 217,008.69/x
  3. Step 3: Cross multiply
    395,822.13x = 546,269.09 × 217,008.69
  4. Step 4: Simplify right side
    395,822.13x = 118,545,139,608.39
  5. Step 5: Solve for x
    x = 118,545,139,608.39/395,822.13
  6. Step 6: Final answer
    x = 299,490.93

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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.