Home / 340,388.20-510,776.70-235,282.60

Finding the Fourth Proportional to 340,388.20, 510,776.70 and 235,282.60

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Solution

The fourth proportional to 340,388.20, 510,776.70 and 235,282.60 is: 353,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,388.20 : 510,776.70 = 235,282.60 : x
  2. Step 2: Convert to fraction form
    340,388.20/510,776.70 = 235,282.60/x
  3. Step 3: Cross multiply
    340,388.20x = 510,776.70 × 235,282.60
  4. Step 4: Simplify right side
    340,388.20x = 120,176,869,995.42
  5. Step 5: Solve for x
    x = 120,176,869,995.42/340,388.20
  6. Step 6: Final answer
    x = 353,058.27

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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.