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Finding the Fourth Proportional to 508,150.12, 701,259.51 and 278,716.81

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Solution

The fourth proportional to 508,150.12, 701,259.51 and 278,716.81 is: 384,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,150.12 : 701,259.51 = 278,716.81 : x
  2. Step 2: Convert to fraction form
    508,150.12/701,259.51 = 278,716.81/x
  3. Step 3: Cross multiply
    508,150.12x = 701,259.51 × 278,716.81
  4. Step 4: Simplify right side
    508,150.12x = 195,452,813,609.36
  5. Step 5: Solve for x
    x = 195,452,813,609.36/508,150.12
  6. Step 6: Final answer
    x = 384,635.97

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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.