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Finding the Fourth Proportional to 303,394.64, 454,946.53 and 143,337.33

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Solution

The fourth proportional to 303,394.64, 454,946.53 and 143,337.33 is: 214,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,394.64 : 454,946.53 = 143,337.33 : x
  2. Step 2: Convert to fraction form
    303,394.64/454,946.53 = 143,337.33/x
  3. Step 3: Cross multiply
    303,394.64x = 454,946.53 × 143,337.33
  4. Step 4: Simplify right side
    303,394.64x = 65,210,820,186.28
  5. Step 5: Solve for x
    x = 65,210,820,186.28/303,394.64
  6. Step 6: Final answer
    x = 214,937.29

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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.