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Finding the Fourth Proportional to 243,485.70, 365,337.90 and 110,297.40

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Solution

The fourth proportional to 243,485.70, 365,337.90 and 110,297.40 is: 165,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,485.70 : 365,337.90 = 110,297.40 : x
  2. Step 2: Convert to fraction form
    243,485.70/365,337.90 = 110,297.40/x
  3. Step 3: Cross multiply
    243,485.70x = 365,337.90 × 110,297.40
  4. Step 4: Simplify right side
    243,485.70x = 40,295,820,491.46
  5. Step 5: Solve for x
    x = 40,295,820,491.46/243,485.70
  6. Step 6: Final answer
    x = 165,495.63

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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.