Finding the Fourth Proportional to 136,307.07, 204,460.74 and 47,539.17
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Solution
The fourth proportional to 136,307.07, 204,460.74 and 47,539.17 is: 71,308.80
Step by Step Solution
- Step 1: Write the proportion equation
136,307.07 : 204,460.74 = 47,539.17 : x - Step 2: Convert to fraction form
136,307.07/204,460.74 = 47,539.17/x - Step 3: Cross multiply
136,307.07x = 204,460.74 × 47,539.17 - Step 4: Simplify right side
136,307.07x = 9,719,893,877.19 - Step 5: Solve for x
x = 9,719,893,877.19/136,307.07 - Step 6: Final answer
x = 71,308.80
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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.