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Finding the Fourth Proportional to 306,477.07, 459,819.06 and 135,675.22

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Solution

The fourth proportional to 306,477.07, 459,819.06 and 135,675.22 is: 203,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,477.07 : 459,819.06 = 135,675.22 : x
  2. Step 2: Convert to fraction form
    306,477.07/459,819.06 = 135,675.22/x
  3. Step 3: Cross multiply
    306,477.07x = 459,819.06 × 135,675.22
  4. Step 4: Simplify right side
    306,477.07x = 62,386,052,710.87
  5. Step 5: Solve for x
    x = 62,386,052,710.87/306,477.07
  6. Step 6: Final answer
    x = 203,558.63

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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.