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Finding the Fourth Proportional to 482,354.10, 723,602.43 and 166,726.26

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Solution

The fourth proportional to 482,354.10, 723,602.43 and 166,726.26 is: 250,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,354.10 : 723,602.43 = 166,726.26 : x
  2. Step 2: Convert to fraction form
    482,354.10/723,602.43 = 166,726.26/x
  3. Step 3: Cross multiply
    482,354.10x = 723,602.43 × 166,726.26
  4. Step 4: Simplify right side
    482,354.10x = 120,643,526,880.81
  5. Step 5: Solve for x
    x = 120,643,526,880.81/482,354.10
  6. Step 6: Final answer
    x = 250,114.03

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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.