Finding the Fourth Proportional to 151,506.44, 209,054.40 and 91,062.62
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Solution
The fourth proportional to 151,506.44, 209,054.40 and 91,062.62 is: 125,651.70
Step by Step Solution
- Step 1: Write the proportion equation
151,506.44 : 209,054.40 = 91,062.62 : x - Step 2: Convert to fraction form
151,506.44/209,054.40 = 91,062.62/x - Step 3: Cross multiply
151,506.44x = 209,054.40 × 91,062.62 - Step 4: Simplify right side
151,506.44x = 19,037,041,386.53 - Step 5: Solve for x
x = 19,037,041,386.53/151,506.44 - Step 6: Final answer
x = 125,651.70
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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.