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Finding the Fourth Proportional to 243,722.30, 365,437.65 and 125,624.30

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Solution

The fourth proportional to 243,722.30, 365,437.65 and 125,624.30 is: 188,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,722.30 : 365,437.65 = 125,624.30 : x
  2. Step 2: Convert to fraction form
    243,722.30/365,437.65 = 125,624.30/x
  3. Step 3: Cross multiply
    243,722.30x = 365,437.65 × 125,624.30
  4. Step 4: Simplify right side
    243,722.30x = 45,907,848,974.90
  5. Step 5: Solve for x
    x = 45,907,848,974.90/243,722.30
  6. Step 6: Final answer
    x = 188,361.30

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1.5x scale

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.