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Finding the Fourth Proportional to 243,622.80, 364,915.80 and 202,150.80

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Solution

The fourth proportional to 243,622.80, 364,915.80 and 202,150.80 is: 302,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,622.80 : 364,915.80 = 202,150.80 : x
  2. Step 2: Convert to fraction form
    243,622.80/364,915.80 = 202,150.80/x
  3. Step 3: Cross multiply
    243,622.80x = 364,915.80 × 202,150.80
  4. Step 4: Simplify right side
    243,622.80x = 73,768,020,902.64
  5. Step 5: Solve for x
    x = 73,768,020,902.64/243,622.80
  6. Step 6: Final answer
    x = 302,796.05

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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.