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Finding the Fourth Proportional to 304,099.07, 419,649.33 and 168,129.52

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Solution

The fourth proportional to 304,099.07, 419,649.33 and 168,129.52 is: 232,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,099.07 : 419,649.33 = 168,129.52 : x
  2. Step 2: Convert to fraction form
    304,099.07/419,649.33 = 168,129.52/x
  3. Step 3: Cross multiply
    304,099.07x = 419,649.33 × 168,129.52
  4. Step 4: Simplify right side
    304,099.07x = 70,555,440,421.22
  5. Step 5: Solve for x
    x = 70,555,440,421.22/304,099.07
  6. Step 6: Final answer
    x = 232,014.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.