Finding the Fourth Proportional to 136,345.68, 204,611.94 and 47,599.18
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Solution
The fourth proportional to 136,345.68, 204,611.94 and 47,599.18 is: 71,431.39
Step by Step Solution
- Step 1: Write the proportion equation
136,345.68 : 204,611.94 = 47,599.18 : x - Step 2: Convert to fraction form
136,345.68/204,611.94 = 47,599.18/x - Step 3: Cross multiply
136,345.68x = 204,611.94 × 47,599.18 - Step 4: Simplify right side
136,345.68x = 9,739,360,835.74 - Step 5: Solve for x
x = 9,739,360,835.74/136,345.68 - Step 6: Final answer
x = 71,431.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.