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Finding the Fourth Proportional to 341,475.40, 512,213.10 and 300,003.40

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Solution

The fourth proportional to 341,475.40, 512,213.10 and 300,003.40 is: 450,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,475.40 : 512,213.10 = 300,003.40 : x
  2. Step 2: Convert to fraction form
    341,475.40/512,213.10 = 300,003.40/x
  3. Step 3: Cross multiply
    341,475.40x = 512,213.10 × 300,003.40
  4. Step 4: Simplify right side
    341,475.40x = 153,665,671,524.54
  5. Step 5: Solve for x
    x = 153,665,671,524.54/341,475.40
  6. Step 6: Final answer
    x = 450,005.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.