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Finding the Fourth Proportional to 334,920.42, 461,873.48 and 219,996.27

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Solution

The fourth proportional to 334,920.42, 461,873.48 and 219,996.27 is: 303,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,920.42 : 461,873.48 = 219,996.27 : x
  2. Step 2: Convert to fraction form
    334,920.42/461,873.48 = 219,996.27/x
  3. Step 3: Cross multiply
    334,920.42x = 461,873.48 × 219,996.27
  4. Step 4: Simplify right side
    334,920.42x = 101,610,441,711.94
  5. Step 5: Solve for x
    x = 101,610,441,711.94/334,920.42
  6. Step 6: Final answer
    x = 303,386.82

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1.5x scale

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.