Finding the Fourth Proportional to 306,073.96, 458,858.20 and 135,173.96
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Solution
The fourth proportional to 306,073.96, 458,858.20 and 135,173.96 is: 202,649.32
Step by Step Solution
- Step 1: Write the proportion equation
306,073.96 : 458,858.20 = 135,173.96 : x - Step 2: Convert to fraction form
306,073.96/458,858.20 = 135,173.96/x - Step 3: Cross multiply
306,073.96x = 458,858.20 × 135,173.96 - Step 4: Simplify right side
306,073.96x = 62,025,679,972.47 - Step 5: Solve for x
x = 62,025,679,972.47/306,073.96 - Step 6: Final answer
x = 202,649.32
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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.