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Finding the Fourth Proportional to 334,953.58, 462,051.39 and 212,221.42

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Solution

The fourth proportional to 334,953.58, 462,051.39 and 212,221.42 is: 292,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,953.58 : 462,051.39 = 212,221.42 : x
  2. Step 2: Convert to fraction form
    334,953.58/462,051.39 = 212,221.42/x
  3. Step 3: Cross multiply
    334,953.58x = 462,051.39 × 212,221.42
  4. Step 4: Simplify right side
    334,953.58x = 98,057,202,098.77
  5. Step 5: Solve for x
    x = 98,057,202,098.77/334,953.58
  6. Step 6: Final answer
    x = 292,748.63

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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.