Home / 408,356.10-563,541.18-227,075.67

Finding the Fourth Proportional to 408,356.10, 563,541.18 and 227,075.67

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Solution

The fourth proportional to 408,356.10, 563,541.18 and 227,075.67 is: 313,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,356.10 : 563,541.18 = 227,075.67 : x
  2. Step 2: Convert to fraction form
    408,356.10/563,541.18 = 227,075.67/x
  3. Step 3: Cross multiply
    408,356.10x = 563,541.18 × 227,075.67
  4. Step 4: Simplify right side
    408,356.10x = 127,966,491,021.09
  5. Step 5: Solve for x
    x = 127,966,491,021.09/408,356.10
  6. Step 6: Final answer
    x = 313,369.85

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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.