Home / 246,884.45-340,721.52-139,474.20

Finding the Fourth Proportional to 246,884.45, 340,721.52 and 139,474.20

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Solution

The fourth proportional to 246,884.45, 340,721.52 and 139,474.20 is: 192,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,884.45 : 340,721.52 = 139,474.20 : x
  2. Step 2: Convert to fraction form
    246,884.45/340,721.52 = 139,474.20/x
  3. Step 3: Cross multiply
    246,884.45x = 340,721.52 × 139,474.20
  4. Step 4: Simplify right side
    246,884.45x = 47,521,861,424.78
  5. Step 5: Solve for x
    x = 47,521,861,424.78/246,884.45
  6. Step 6: Final answer
    x = 192,486.25

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1.5x scale

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.