Home / 340,531.20-510,796.80-158,143.64

Finding the Fourth Proportional to 340,531.20, 510,796.80 and 158,143.64

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Solution

The fourth proportional to 340,531.20, 510,796.80 and 158,143.64 is: 237,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,531.20 : 510,796.80 = 158,143.64 : x
  2. Step 2: Convert to fraction form
    340,531.20/510,796.80 = 158,143.64/x
  3. Step 3: Cross multiply
    340,531.20x = 510,796.80 × 158,143.64
  4. Step 4: Simplify right side
    340,531.20x = 80,779,262,698.37
  5. Step 5: Solve for x
    x = 80,779,262,698.37/340,531.20
  6. Step 6: Final answer
    x = 237,215.45

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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.