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Finding the Fourth Proportional to 243,685.80, 365,010.30 and 202,213.80

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Solution

The fourth proportional to 243,685.80, 365,010.30 and 202,213.80 is: 302,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,685.80 : 365,010.30 = 202,213.80 : x
  2. Step 2: Convert to fraction form
    243,685.80/365,010.30 = 202,213.80/x
  3. Step 3: Cross multiply
    243,685.80x = 365,010.30 × 202,213.80
  4. Step 4: Simplify right side
    243,685.80x = 73,810,119,802.14
  5. Step 5: Solve for x
    x = 73,810,119,802.14/243,685.80
  6. Step 6: Final answer
    x = 302,890.52

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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.