Home / 345,766.86-518,705.64-146,089.17

Finding the Fourth Proportional to 345,766.86, 518,705.64 and 146,089.17

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Solution

The fourth proportional to 345,766.86, 518,705.64 and 146,089.17 is: 219,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,766.86 : 518,705.64 = 146,089.17 : x
  2. Step 2: Convert to fraction form
    345,766.86/518,705.64 = 146,089.17/x
  3. Step 3: Cross multiply
    345,766.86x = 518,705.64 × 146,089.17
  4. Step 4: Simplify right side
    345,766.86x = 75,777,276,421.92
  5. Step 5: Solve for x
    x = 75,777,276,421.92/345,766.86
  6. Step 6: Final answer
    x = 219,157.14

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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.