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Finding the Fourth Proportional to 342,083.04, 512,907.21 and 300,047.55

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Solution

The fourth proportional to 342,083.04, 512,907.21 and 300,047.55 is: 449,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,083.04 : 512,907.21 = 300,047.55 : x
  2. Step 2: Convert to fraction form
    342,083.04/512,907.21 = 300,047.55/x
  3. Step 3: Cross multiply
    342,083.04x = 512,907.21 × 300,047.55
  4. Step 4: Simplify right side
    342,083.04x = 153,896,551,737.84
  5. Step 5: Solve for x
    x = 153,896,551,737.84/342,083.04
  6. Step 6: Final answer
    x = 449,880.68

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1.5x scale

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.