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Finding the Fourth Proportional to 491,051.05, 736,607.77 and 154,105.02

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Solution

The fourth proportional to 491,051.05, 736,607.77 and 154,105.02 is: 231,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,051.05 : 736,607.77 = 154,105.02 : x
  2. Step 2: Convert to fraction form
    491,051.05/736,607.77 = 154,105.02/x
  3. Step 3: Cross multiply
    491,051.05x = 736,607.77 × 154,105.02
  4. Step 4: Simplify right side
    491,051.05x = 113,514,954,742.74
  5. Step 5: Solve for x
    x = 113,514,954,742.74/491,051.05
  6. Step 6: Final answer
    x = 231,167.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.