Finding the Fourth Proportional to 207,090.98, 310,230.50 and 107,316.62
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Solution
The fourth proportional to 207,090.98, 310,230.50 and 107,316.62 is: 160,764.55
Step by Step Solution
- Step 1: Write the proportion equation
207,090.98 : 310,230.50 = 107,316.62 : x - Step 2: Convert to fraction form
207,090.98/310,230.50 = 107,316.62/x - Step 3: Cross multiply
207,090.98x = 310,230.50 × 107,316.62 - Step 4: Simplify right side
207,090.98x = 33,292,888,680.91 - Step 5: Solve for x
x = 33,292,888,680.91/207,090.98 - Step 6: Final answer
x = 160,764.55
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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.