Home / 491,055.05-736,613.77-154,109.02

Finding the Fourth Proportional to 491,055.05, 736,613.77 and 154,109.02

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Solution

The fourth proportional to 491,055.05, 736,613.77 and 154,109.02 is: 231,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,055.05 : 736,613.77 = 154,109.02 : x
  2. Step 2: Convert to fraction form
    491,055.05/736,613.77 = 154,109.02/x
  3. Step 3: Cross multiply
    491,055.05x = 736,613.77 × 154,109.02
  4. Step 4: Simplify right side
    491,055.05x = 113,518,826,213.21
  5. Step 5: Solve for x
    x = 113,518,826,213.21/491,055.05
  6. Step 6: Final answer
    x = 231,173.32

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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.