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Finding the Fourth Proportional to 453,460.49, 680,168.32 and 169,128.89

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Solution

The fourth proportional to 453,460.49, 680,168.32 and 169,128.89 is: 253,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,460.49 : 680,168.32 = 169,128.89 : x
  2. Step 2: Convert to fraction form
    453,460.49/680,168.32 = 169,128.89/x
  3. Step 3: Cross multiply
    453,460.49x = 680,168.32 × 169,128.89
  4. Step 4: Simplify right side
    453,460.49x = 115,036,111,461.33
  5. Step 5: Solve for x
    x = 115,036,111,461.33/453,460.49
  6. Step 6: Final answer
    x = 253,684.97

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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.