Home / 331,238.04-496,846.47-139,214.20

Finding the Fourth Proportional to 331,238.04, 496,846.47 and 139,214.20

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Solution

The fourth proportional to 331,238.04, 496,846.47 and 139,214.20 is: 208,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,238.04 : 496,846.47 = 139,214.20 : x
  2. Step 2: Convert to fraction form
    331,238.04/496,846.47 = 139,214.20/x
  3. Step 3: Cross multiply
    331,238.04x = 496,846.47 × 139,214.20
  4. Step 4: Simplify right side
    331,238.04x = 69,168,084,865.47
  5. Step 5: Solve for x
    x = 69,168,084,865.47/331,238.04
  6. Step 6: Final answer
    x = 208,816.85

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1.5x scale

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.