Home / 491,039.37-736,590.18-154,093.32

Finding the Fourth Proportional to 491,039.37, 736,590.18 and 154,093.32

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Solution

The fourth proportional to 491,039.37, 736,590.18 and 154,093.32 is: 231,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,039.37 : 736,590.18 = 154,093.32 : x
  2. Step 2: Convert to fraction form
    491,039.37/736,590.18 = 154,093.32/x
  3. Step 3: Cross multiply
    491,039.37x = 736,590.18 × 154,093.32
  4. Step 4: Simplify right side
    491,039.37x = 113,503,621,862.18
  5. Step 5: Solve for x
    x = 113,503,621,862.18/491,039.37
  6. Step 6: Final answer
    x = 231,149.74

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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.