Finding the Fourth Proportional to 306,151.24, 422,316.12 and 183,611.02
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Solution
The fourth proportional to 306,151.24, 422,316.12 and 183,611.02 is: 253,279.70
Step by Step Solution
- Step 1: Write the proportion equation
306,151.24 : 422,316.12 = 183,611.02 : x - Step 2: Convert to fraction form
306,151.24/422,316.12 = 183,611.02/x - Step 3: Cross multiply
306,151.24x = 422,316.12 × 183,611.02 - Step 4: Simplify right side
306,151.24x = 77,541,893,555.64 - Step 5: Solve for x
x = 77,541,893,555.64/306,151.24 - Step 6: Final answer
x = 253,279.70
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1.5x scale
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.