Home / 345,917.34-518,833.08-93,217.59

Finding the Fourth Proportional to 345,917.34, 518,833.08 and 93,217.59

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Solution

The fourth proportional to 345,917.34, 518,833.08 and 93,217.59 is: 139,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,917.34 : 518,833.08 = 93,217.59 : x
  2. Step 2: Convert to fraction form
    345,917.34/518,833.08 = 93,217.59/x
  3. Step 3: Cross multiply
    345,917.34x = 518,833.08 × 93,217.59
  4. Step 4: Simplify right side
    345,917.34x = 48,364,369,329.88
  5. Step 5: Solve for x
    x = 48,364,369,329.88/345,917.34
  6. Step 6: Final answer
    x = 139,814.82

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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.