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Finding the Fourth Proportional to 372,510, 514,063.80 and 202,745.34

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Solution

The fourth proportional to 372,510, 514,063.80 and 202,745.34 is: 279,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,510 : 514,063.80 = 202,745.34 : x
  2. Step 2: Convert to fraction form
    372,510/514,063.80 = 202,745.34/x
  3. Step 3: Cross multiply
    372,510x = 514,063.80 × 202,745.34
  4. Step 4: Simplify right side
    372,510x = 104,224,039,912.69
  5. Step 5: Solve for x
    x = 104,224,039,912.69/372,510
  6. Step 6: Final answer
    x = 279,788.57

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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.