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Finding the Fourth Proportional to 286,268.72, 429,403.08 and 75,923.06

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Solution

The fourth proportional to 286,268.72, 429,403.08 and 75,923.06 is: 113,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,268.72 : 429,403.08 = 75,923.06 : x
  2. Step 2: Convert to fraction form
    286,268.72/429,403.08 = 75,923.06/x
  3. Step 3: Cross multiply
    286,268.72x = 429,403.08 × 75,923.06
  4. Step 4: Simplify right side
    286,268.72x = 32,601,595,807.02
  5. Step 5: Solve for x
    x = 32,601,595,807.02/286,268.72
  6. Step 6: Final answer
    x = 113,884.59

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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.