Home / 306,581.66-423,074.04-170,613.44

Finding the Fourth Proportional to 306,581.66, 423,074.04 and 170,613.44

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Solution

The fourth proportional to 306,581.66, 423,074.04 and 170,613.44 is: 235,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,581.66 : 423,074.04 = 170,613.44 : x
  2. Step 2: Convert to fraction form
    306,581.66/423,074.04 = 170,613.44/x
  3. Step 3: Cross multiply
    306,581.66x = 423,074.04 × 170,613.44
  4. Step 4: Simplify right side
    306,581.66x = 72,182,117,339.10
  5. Step 5: Solve for x
    x = 72,182,117,339.10/306,581.66
  6. Step 6: Final answer
    x = 235,441.73

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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.