Home / 395,821.13-546,267.71-217,007.69

Finding the Fourth Proportional to 395,821.13, 546,267.71 and 217,007.69

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Solution

The fourth proportional to 395,821.13, 546,267.71 and 217,007.69 is: 299,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,821.13 : 546,267.71 = 217,007.69 : x
  2. Step 2: Convert to fraction form
    395,821.13/546,267.71 = 217,007.69/x
  3. Step 3: Cross multiply
    395,821.13x = 546,267.71 × 217,007.69
  4. Step 4: Simplify right side
    395,821.13x = 118,544,291,679.87
  5. Step 5: Solve for x
    x = 118,544,291,679.87/395,821.13
  6. Step 6: Final answer
    x = 299,489.55

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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.