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Finding the Fourth Proportional to 348,474.84, 481,064.21 and 233,711.56

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Solution

The fourth proportional to 348,474.84, 481,064.21 and 233,711.56 is: 322,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,474.84 : 481,064.21 = 233,711.56 : x
  2. Step 2: Convert to fraction form
    348,474.84/481,064.21 = 233,711.56/x
  3. Step 3: Cross multiply
    348,474.84x = 481,064.21 × 233,711.56
  4. Step 4: Simplify right side
    348,474.84x = 112,430,264,608.05
  5. Step 5: Solve for x
    x = 112,430,264,608.05/348,474.84
  6. Step 6: Final answer
    x = 322,635.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.