Finding the Fourth Proportional to 151,051.74, 208,481.58 and 115,177.68
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Solution
The fourth proportional to 151,051.74, 208,481.58 and 115,177.68 is: 158,968.21
Step by Step Solution
- Step 1: Write the proportion equation
151,051.74 : 208,481.58 = 115,177.68 : x - Step 2: Convert to fraction form
151,051.74/208,481.58 = 115,177.68/x - Step 3: Cross multiply
151,051.74x = 208,481.58 × 115,177.68 - Step 4: Simplify right side
151,051.74x = 24,012,424,707.13 - Step 5: Solve for x
x = 24,012,424,707.13/151,051.74 - Step 6: Final answer
x = 158,968.21
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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.