Home / 347,848.20-521,966.70-148,134.60

Finding the Fourth Proportional to 347,848.20, 521,966.70 and 148,134.60

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Solution

The fourth proportional to 347,848.20, 521,966.70 and 148,134.60 is: 222,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,848.20 : 521,966.70 = 148,134.60 : x
  2. Step 2: Convert to fraction form
    347,848.20/521,966.70 = 148,134.60/x
  3. Step 3: Cross multiply
    347,848.20x = 521,966.70 × 148,134.60
  4. Step 4: Simplify right side
    347,848.20x = 77,321,328,317.82
  5. Step 5: Solve for x
    x = 77,321,328,317.82/347,848.20
  6. Step 6: Final answer
    x = 222,284.69

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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.