Finding the Fourth Proportional to 289,795.08, 399,943.26 and 168,975.48
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Solution
The fourth proportional to 289,795.08, 399,943.26 and 168,975.48 is: 233,201.35
Step by Step Solution
- Step 1: Write the proportion equation
289,795.08 : 399,943.26 = 168,975.48 : x - Step 2: Convert to fraction form
289,795.08/399,943.26 = 168,975.48/x - Step 3: Cross multiply
289,795.08x = 399,943.26 × 168,975.48 - Step 4: Simplify right side
289,795.08x = 67,580,604,331.26 - Step 5: Solve for x
x = 67,580,604,331.26/289,795.08 - Step 6: Final answer
x = 233,201.35
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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.