Finding the Fourth Proportional to 306,918.96, 460,377.36 and 138,241.68
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Solution
The fourth proportional to 306,918.96, 460,377.36 and 138,241.68 is: 207,362.03
Step by Step Solution
- Step 1: Write the proportion equation
306,918.96 : 460,377.36 = 138,241.68 : x - Step 2: Convert to fraction form
306,918.96/460,377.36 = 138,241.68/x - Step 3: Cross multiply
306,918.96x = 460,377.36 × 138,241.68 - Step 4: Simplify right side
306,918.96x = 63,643,339,680.36 - Step 5: Solve for x
x = 63,643,339,680.36/306,918.96 - Step 6: Final answer
x = 207,362.03
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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.