Finding the Fourth Proportional to 151,657.08, 209,353.88 and 97,968.28
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Solution
The fourth proportional to 151,657.08, 209,353.88 and 97,968.28 is: 135,239.58
Step by Step Solution
- Step 1: Write the proportion equation
151,657.08 : 209,353.88 = 97,968.28 : x - Step 2: Convert to fraction form
151,657.08/209,353.88 = 97,968.28/x - Step 3: Cross multiply
151,657.08x = 209,353.88 × 97,968.28 - Step 4: Simplify right side
151,657.08x = 20,510,039,534.93 - Step 5: Solve for x
x = 20,510,039,534.93/151,657.08 - Step 6: Final answer
x = 135,239.58
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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.