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Finding the Fourth Proportional to 573,381.32, 860,074.74 and 174,025.56

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Solution

The fourth proportional to 573,381.32, 860,074.74 and 174,025.56 is: 261,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,381.32 : 860,074.74 = 174,025.56 : x
  2. Step 2: Convert to fraction form
    573,381.32/860,074.74 = 174,025.56/x
  3. Step 3: Cross multiply
    573,381.32x = 860,074.74 × 174,025.56
  4. Step 4: Simplify right side
    573,381.32x = 149,674,988,270.35
  5. Step 5: Solve for x
    x = 149,674,988,270.35/573,381.32
  6. Step 6: Final answer
    x = 261,039.18

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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.