Home / 346,066.20-518,811.30-146,539.80

Finding the Fourth Proportional to 346,066.20, 518,811.30 and 146,539.80

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Solution

The fourth proportional to 346,066.20, 518,811.30 and 146,539.80 is: 219,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,066.20 : 518,811.30 = 146,539.80 : x
  2. Step 2: Convert to fraction form
    346,066.20/518,811.30 = 146,539.80/x
  3. Step 3: Cross multiply
    346,066.20x = 518,811.30 × 146,539.80
  4. Step 4: Simplify right side
    346,066.20x = 76,026,504,139.74
  5. Step 5: Solve for x
    x = 76,026,504,139.74/346,066.20
  6. Step 6: Final answer
    x = 219,687.75

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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.