Finding the Fourth Proportional to 108,611.30, 149,877.42 and 63,296.66
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Solution
The fourth proportional to 108,611.30, 149,877.42 and 63,296.66 is: 87,345.79
Step by Step Solution
- Step 1: Write the proportion equation
108,611.30 : 149,877.42 = 63,296.66 : x - Step 2: Convert to fraction form
108,611.30/149,877.42 = 63,296.66/x - Step 3: Cross multiply
108,611.30x = 149,877.42 × 63,296.66 - Step 4: Simplify right side
108,611.30x = 9,486,740,095.42 - Step 5: Solve for x
x = 9,486,740,095.42/108,611.30 - Step 6: Final answer
x = 87,345.79
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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.