Finding the Fourth Proportional to 151,693.14, 209,336.34 and 83,710.08
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Solution
The fourth proportional to 151,693.14, 209,336.34 and 83,710.08 is: 115,519.80
Step by Step Solution
- Step 1: Write the proportion equation
151,693.14 : 209,336.34 = 83,710.08 : x - Step 2: Convert to fraction form
151,693.14/209,336.34 = 83,710.08/x - Step 3: Cross multiply
151,693.14x = 209,336.34 × 83,710.08 - Step 4: Simplify right side
151,693.14x = 17,523,561,768.31 - Step 5: Solve for x
x = 17,523,561,768.31/151,693.14 - Step 6: Final answer
x = 115,519.80
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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.