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Finding the Fourth Proportional to 342,757.02, 473,907.61 and 300,193.55

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Solution

The fourth proportional to 342,757.02, 473,907.61 and 300,193.55 is: 415,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,757.02 : 473,907.61 = 300,193.55 : x
  2. Step 2: Convert to fraction form
    342,757.02/473,907.61 = 300,193.55/x
  3. Step 3: Cross multiply
    342,757.02x = 473,907.61 × 300,193.55
  4. Step 4: Simplify right side
    342,757.02x = 142,264,007,817.92
  5. Step 5: Solve for x
    x = 142,264,007,817.92/342,757.02
  6. Step 6: Final answer
    x = 415,057.90

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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.