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Finding the Fourth Proportional to 288,894.72, 433,396.32 and 131,134.26

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Solution

The fourth proportional to 288,894.72, 433,396.32 and 131,134.26 is: 196,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,894.72 : 433,396.32 = 131,134.26 : x
  2. Step 2: Convert to fraction form
    288,894.72/433,396.32 = 131,134.26/x
  3. Step 3: Cross multiply
    288,894.72x = 433,396.32 × 131,134.26
  4. Step 4: Simplify right side
    288,894.72x = 56,833,105,709.92
  5. Step 5: Solve for x
    x = 56,833,105,709.92/288,894.72
  6. Step 6: Final answer
    x = 196,726.01

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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.