Home / 372,977.45-559,954.01-221,451.16

Finding the Fourth Proportional to 372,977.45, 559,954.01 and 221,451.16

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Solution

The fourth proportional to 372,977.45, 559,954.01 and 221,451.16 is: 332,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,977.45 : 559,954.01 = 221,451.16 : x
  2. Step 2: Convert to fraction form
    372,977.45/559,954.01 = 221,451.16/x
  3. Step 3: Cross multiply
    372,977.45x = 559,954.01 × 221,451.16
  4. Step 4: Simplify right side
    372,977.45x = 124,002,461,154.13
  5. Step 5: Solve for x
    x = 124,002,461,154.13/372,977.45
  6. Step 6: Final answer
    x = 332,466.38

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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.