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Finding the Fourth Proportional to 434,379.60, 651,180.60 and 168,051.60

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Solution

The fourth proportional to 434,379.60, 651,180.60 and 168,051.60 is: 251,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,379.60 : 651,180.60 = 168,051.60 : x
  2. Step 2: Convert to fraction form
    434,379.60/651,180.60 = 168,051.60/x
  3. Step 3: Cross multiply
    434,379.60x = 651,180.60 × 168,051.60
  4. Step 4: Simplify right side
    434,379.60x = 109,431,941,718.96
  5. Step 5: Solve for x
    x = 109,431,941,718.96/434,379.60
  6. Step 6: Final answer
    x = 251,926.98

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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.