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Finding the Fourth Proportional to 573,496.77, 860,189.56 and 174,141.05

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Solution

The fourth proportional to 573,496.77, 860,189.56 and 174,141.05 is: 261,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,496.77 : 860,189.56 = 174,141.05 : x
  2. Step 2: Convert to fraction form
    573,496.77/860,189.56 = 174,141.05/x
  3. Step 3: Cross multiply
    573,496.77x = 860,189.56 × 174,141.05
  4. Step 4: Simplify right side
    573,496.77x = 149,794,312,646.39
  5. Step 5: Solve for x
    x = 149,794,312,646.39/573,496.77
  6. Step 6: Final answer
    x = 261,194.69

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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.