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Finding the Fourth Proportional to 343,071.11, 472,847.04 and 228,144.33

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Solution

The fourth proportional to 343,071.11, 472,847.04 and 228,144.33 is: 314,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,071.11 : 472,847.04 = 228,144.33 : x
  2. Step 2: Convert to fraction form
    343,071.11/472,847.04 = 228,144.33/x
  3. Step 3: Cross multiply
    343,071.11x = 472,847.04 × 228,144.33
  4. Step 4: Simplify right side
    343,071.11x = 107,877,371,133.28
  5. Step 5: Solve for x
    x = 107,877,371,133.28/343,071.11
  6. Step 6: Final answer
    x = 314,446.10

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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.