Home / 243,620.12-365,426.10-72,842.22

Finding the Fourth Proportional to 243,620.12, 365,426.10 and 72,842.22

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Solution

The fourth proportional to 243,620.12, 365,426.10 and 72,842.22 is: 109,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,620.12 : 365,426.10 = 72,842.22 : x
  2. Step 2: Convert to fraction form
    243,620.12/365,426.10 = 72,842.22/x
  3. Step 3: Cross multiply
    243,620.12x = 365,426.10 × 72,842.22
  4. Step 4: Simplify right side
    243,620.12x = 26,618,448,369.94
  5. Step 5: Solve for x
    x = 26,618,448,369.94/243,620.12
  6. Step 6: Final answer
    x = 109,262.11

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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.