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Finding the Fourth Proportional to 436,843.19, 655,563.92 and 152,533.67

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Solution

The fourth proportional to 436,843.19, 655,563.92 and 152,533.67 is: 228,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,843.19 : 655,563.92 = 152,533.67 : x
  2. Step 2: Convert to fraction form
    436,843.19/655,563.92 = 152,533.67/x
  3. Step 3: Cross multiply
    436,843.19x = 655,563.92 × 152,533.67
  4. Step 4: Simplify right side
    436,843.19x = 99,995,566,596.70
  5. Step 5: Solve for x
    x = 99,995,566,596.70/436,843.19
  6. Step 6: Final answer
    x = 228,904.94

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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.