Home / 397,474.02-548,333.21-236,237.45

Finding the Fourth Proportional to 397,474.02, 548,333.21 and 236,237.45

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Solution

The fourth proportional to 397,474.02, 548,333.21 and 236,237.45 is: 325,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,474.02 : 548,333.21 = 236,237.45 : x
  2. Step 2: Convert to fraction form
    397,474.02/548,333.21 = 236,237.45/x
  3. Step 3: Cross multiply
    397,474.02x = 548,333.21 × 236,237.45
  4. Step 4: Simplify right side
    397,474.02x = 129,536,837,129.64
  5. Step 5: Solve for x
    x = 129,536,837,129.64/397,474.02
  6. Step 6: Final answer
    x = 325,900.14

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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.