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Finding the Fourth Proportional to 303,813.72, 456,006.60 and 154,161.45

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Solution

The fourth proportional to 303,813.72, 456,006.60 and 154,161.45 is: 231,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,813.72 : 456,006.60 = 154,161.45 : x
  2. Step 2: Convert to fraction form
    303,813.72/456,006.60 = 154,161.45/x
  3. Step 3: Cross multiply
    303,813.72x = 456,006.60 × 154,161.45
  4. Step 4: Simplify right side
    303,813.72x = 70,298,638,665.57
  5. Step 5: Solve for x
    x = 70,298,638,665.57/303,813.72
  6. Step 6: Final answer
    x = 231,387.31

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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.