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Finding the Fourth Proportional to 357,482.25, 536,297.22 and 104,771.03

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Solution

The fourth proportional to 357,482.25, 536,297.22 and 104,771.03 is: 157,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,482.25 : 536,297.22 = 104,771.03 : x
  2. Step 2: Convert to fraction form
    357,482.25/536,297.22 = 104,771.03/x
  3. Step 3: Cross multiply
    357,482.25x = 536,297.22 × 104,771.03
  4. Step 4: Simplify right side
    357,482.25x = 56,188,409,444.05
  5. Step 5: Solve for x
    x = 56,188,409,444.05/357,482.25
  6. Step 6: Final answer
    x = 157,178.18

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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.