Home / 340,261.48-510,367.61-162,720.82

Finding the Fourth Proportional to 340,261.48, 510,367.61 and 162,720.82

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Solution

The fourth proportional to 340,261.48, 510,367.61 and 162,720.82 is: 244,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,261.48 : 510,367.61 = 162,720.82 : x
  2. Step 2: Convert to fraction form
    340,261.48/510,367.61 = 162,720.82/x
  3. Step 3: Cross multiply
    340,261.48x = 510,367.61 × 162,720.82
  4. Step 4: Simplify right side
    340,261.48x = 83,047,432,635.20
  5. Step 5: Solve for x
    x = 83,047,432,635.20/340,261.48
  6. Step 6: Final answer
    x = 244,069.45

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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.