Finding the Fourth Proportional to 151,536.08, 209,120.84 and 83,555.60
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Solution
The fourth proportional to 151,536.08, 209,120.84 and 83,555.60 is: 115,307.31
Step by Step Solution
- Step 1: Write the proportion equation
151,536.08 : 209,120.84 = 83,555.60 : x - Step 2: Convert to fraction form
151,536.08/209,120.84 = 83,555.60/x - Step 3: Cross multiply
151,536.08x = 209,120.84 × 83,555.60 - Step 4: Simplify right side
151,536.08x = 17,473,217,258.70 - Step 5: Solve for x
x = 17,473,217,258.70/151,536.08 - Step 6: Final answer
x = 115,307.31
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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.