Finding the Fourth Proportional to 306,796.29, 423,398.11 and 168,975.19
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Solution
The fourth proportional to 306,796.29, 423,398.11 and 168,975.19 is: 233,196.35
Step by Step Solution
- Step 1: Write the proportion equation
306,796.29 : 423,398.11 = 168,975.19 : x - Step 2: Convert to fraction form
306,796.29/423,398.11 = 168,975.19/x - Step 3: Cross multiply
306,796.29x = 423,398.11 × 168,975.19 - Step 4: Simplify right side
306,796.29x = 71,543,776,082.89 - Step 5: Solve for x
x = 71,543,776,082.89/306,796.29 - Step 6: Final answer
x = 233,196.35
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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.