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Finding the Fourth Proportional to 303,707.70, 455,561.55 and 299,042.10

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Solution

The fourth proportional to 303,707.70, 455,561.55 and 299,042.10 is: 448,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,707.70 : 455,561.55 = 299,042.10 : x
  2. Step 2: Convert to fraction form
    303,707.70/455,561.55 = 299,042.10/x
  3. Step 3: Cross multiply
    303,707.70x = 455,561.55 × 299,042.10
  4. Step 4: Simplify right side
    303,707.70x = 136,232,082,591.26
  5. Step 5: Solve for x
    x = 136,232,082,591.26/303,707.70
  6. Step 6: Final answer
    x = 448,563.15

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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.