Home / 307,082.40-459,583.20-188,828.64

Finding the Fourth Proportional to 307,082.40, 459,583.20 and 188,828.64

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Solution

The fourth proportional to 307,082.40, 459,583.20 and 188,828.64 is: 282,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,082.40 : 459,583.20 = 188,828.64 : x
  2. Step 2: Convert to fraction form
    307,082.40/459,583.20 = 188,828.64/x
  3. Step 3: Cross multiply
    307,082.40x = 459,583.20 × 188,828.64
  4. Step 4: Simplify right side
    307,082.40x = 86,782,470,622.85
  5. Step 5: Solve for x
    x = 86,782,470,622.85/307,082.40
  6. Step 6: Final answer
    x = 282,603.21

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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.