Home / 247,108.14-340,754.46-211,416.30

Finding the Fourth Proportional to 247,108.14, 340,754.46 and 211,416.30

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Solution

The fourth proportional to 247,108.14, 340,754.46 and 211,416.30 is: 291,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,108.14 : 340,754.46 = 211,416.30 : x
  2. Step 2: Convert to fraction form
    247,108.14/340,754.46 = 211,416.30/x
  3. Step 3: Cross multiply
    247,108.14x = 340,754.46 × 211,416.30
  4. Step 4: Simplify right side
    247,108.14x = 72,041,047,141.70
  5. Step 5: Solve for x
    x = 72,041,047,141.70/247,108.14
  6. Step 6: Final answer
    x = 291,536.52

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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.