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Finding the Fourth Proportional to 345,774.86, 518,717.64 and 146,097.18

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Solution

The fourth proportional to 345,774.86, 518,717.64 and 146,097.18 is: 219,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,774.86 : 518,717.64 = 146,097.18 : x
  2. Step 2: Convert to fraction form
    345,774.86/518,717.64 = 146,097.18/x
  3. Step 3: Cross multiply
    345,774.86x = 518,717.64 × 146,097.18
  4. Step 4: Simplify right side
    345,774.86x = 75,783,184,420.26
  5. Step 5: Solve for x
    x = 75,783,184,420.26/345,774.86
  6. Step 6: Final answer
    x = 219,169.16

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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.