Home / 293,621.80-440,432.70-211,292.20

Finding the Fourth Proportional to 293,621.80, 440,432.70 and 211,292.20

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Solution

The fourth proportional to 293,621.80, 440,432.70 and 211,292.20 is: 316,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,621.80 : 440,432.70 = 211,292.20 : x
  2. Step 2: Convert to fraction form
    293,621.80/440,432.70 = 211,292.20/x
  3. Step 3: Cross multiply
    293,621.80x = 440,432.70 × 211,292.20
  4. Step 4: Simplify right side
    293,621.80x = 93,059,994,134.94
  5. Step 5: Solve for x
    x = 93,059,994,134.94/293,621.80
  6. Step 6: Final answer
    x = 316,938.30

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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.