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Finding the Fourth Proportional to 243,284.85, 335,891.07 and 217,746.99

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Solution

The fourth proportional to 243,284.85, 335,891.07 and 217,746.99 is: 300,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,284.85 : 335,891.07 = 217,746.99 : x
  2. Step 2: Convert to fraction form
    243,284.85/335,891.07 = 217,746.99/x
  3. Step 3: Cross multiply
    243,284.85x = 335,891.07 × 217,746.99
  4. Step 4: Simplify right side
    243,284.85x = 73,139,269,460.38
  5. Step 5: Solve for x
    x = 73,139,269,460.38/243,284.85
  6. Step 6: Final answer
    x = 300,632.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.