Home / 245,216.16-367,357.68-139,715.28

Finding the Fourth Proportional to 245,216.16, 367,357.68 and 139,715.28

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Solution

The fourth proportional to 245,216.16, 367,357.68 and 139,715.28 is: 209,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,216.16 : 367,357.68 = 139,715.28 : x
  2. Step 2: Convert to fraction form
    245,216.16/367,357.68 = 139,715.28/x
  3. Step 3: Cross multiply
    245,216.16x = 367,357.68 × 139,715.28
  4. Step 4: Simplify right side
    245,216.16x = 51,325,481,121.35
  5. Step 5: Solve for x
    x = 51,325,481,121.35/245,216.16
  6. Step 6: Final answer
    x = 209,307.09

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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.