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Finding the Fourth Proportional to 230,151.68, 317,623.68 and 139,515.52

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Solution

The fourth proportional to 230,151.68, 317,623.68 and 139,515.52 is: 192,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,151.68 : 317,623.68 = 139,515.52 : x
  2. Step 2: Convert to fraction form
    230,151.68/317,623.68 = 139,515.52/x
  3. Step 3: Cross multiply
    230,151.68x = 317,623.68 × 139,515.52
  4. Step 4: Simplify right side
    230,151.68x = 44,313,432,879.51
  5. Step 5: Solve for x
    x = 44,313,432,879.51/230,151.68
  6. Step 6: Final answer
    x = 192,540.12

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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.