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Finding the Fourth Proportional to 259,499.68, 358,109.36 and 140,267.68

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Solution

The fourth proportional to 259,499.68, 358,109.36 and 140,267.68 is: 193,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,499.68 : 358,109.36 = 140,267.68 : x
  2. Step 2: Convert to fraction form
    259,499.68/358,109.36 = 140,267.68/x
  3. Step 3: Cross multiply
    259,499.68x = 358,109.36 × 140,267.68
  4. Step 4: Simplify right side
    259,499.68x = 50,231,169,113.48
  5. Step 5: Solve for x
    x = 50,231,169,113.48/259,499.68
  6. Step 6: Final answer
    x = 193,569.29

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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.