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Finding the Fourth Proportional to 286,014.81, 429,135.08 and 108,568.92

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Solution

The fourth proportional to 286,014.81, 429,135.08 and 108,568.92 is: 162,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,014.81 : 429,135.08 = 108,568.92 : x
  2. Step 2: Convert to fraction form
    286,014.81/429,135.08 = 108,568.92/x
  3. Step 3: Cross multiply
    286,014.81x = 429,135.08 × 108,568.92
  4. Step 4: Simplify right side
    286,014.81x = 46,590,731,626.87
  5. Step 5: Solve for x
    x = 46,590,731,626.87/286,014.81
  6. Step 6: Final answer
    x = 162,896.22

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1.5x scale

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.