Finding the Fourth Proportional to 401,258.26, 553,734.35 and 217,496.09
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Solution
The fourth proportional to 401,258.26, 553,734.35 and 217,496.09 is: 300,143.49
Step by Step Solution
- Step 1: Write the proportion equation
401,258.26 : 553,734.35 = 217,496.09 : x - Step 2: Convert to fraction form
401,258.26/553,734.35 = 217,496.09/x - Step 3: Cross multiply
401,258.26x = 553,734.35 × 217,496.09 - Step 4: Simplify right side
401,258.26x = 120,435,056,023.69 - Step 5: Solve for x
x = 120,435,056,023.69/401,258.26 - Step 6: Final answer
x = 300,143.49
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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.