Home / 372,450.72-514,037.33-219,440.00

Finding the Fourth Proportional to 372,450.72, 514,037.33 and 219,440.00

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Solution

The fourth proportional to 372,450.72, 514,037.33 and 219,440.00 is: 302,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,450.72 : 514,037.33 = 219,440.00 : x
  2. Step 2: Convert to fraction form
    372,450.72/514,037.33 = 219,440.00/x
  3. Step 3: Cross multiply
    372,450.72x = 514,037.33 × 219,440.00
  4. Step 4: Simplify right side
    372,450.72x = 112,800,353,528.89
  5. Step 5: Solve for x
    x = 112,800,353,528.89/372,450.72
  6. Step 6: Final answer
    x = 302,859.81

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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.