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Finding the Fourth Proportional to 246,901.56, 340,751.88 and 139,478.55

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Solution

The fourth proportional to 246,901.56, 340,751.88 and 139,478.55 is: 192,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,901.56 : 340,751.88 = 139,478.55 : x
  2. Step 2: Convert to fraction form
    246,901.56/340,751.88 = 139,478.55/x
  3. Step 3: Cross multiply
    246,901.56x = 340,751.88 × 139,478.55
  4. Step 4: Simplify right side
    246,901.56x = 47,527,578,132.17
  5. Step 5: Solve for x
    x = 47,527,578,132.17/246,901.56
  6. Step 6: Final answer
    x = 192,496.06

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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.