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Finding the Fourth Proportional to 303,466.96, 455,222.27 and 116,478.46

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Solution

The fourth proportional to 303,466.96, 455,222.27 and 116,478.46 is: 174,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,466.96 : 455,222.27 = 116,478.46 : x
  2. Step 2: Convert to fraction form
    303,466.96/455,222.27 = 116,478.46/x
  3. Step 3: Cross multiply
    303,466.96x = 455,222.27 × 116,478.46
  4. Step 4: Simplify right side
    303,466.96x = 53,023,588,967.30
  5. Step 5: Solve for x
    x = 53,023,588,967.30/303,466.96
  6. Step 6: Final answer
    x = 174,726.07

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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.