Finding the Fourth Proportional to 212,008.58, 318,024.99 and 60,193.80
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Solution
The fourth proportional to 212,008.58, 318,024.99 and 60,193.80 is: 90,294.14
Step by Step Solution
- Step 1: Write the proportion equation
212,008.58 : 318,024.99 = 60,193.80 : x - Step 2: Convert to fraction form
212,008.58/318,024.99 = 60,193.80/x - Step 3: Cross multiply
212,008.58x = 318,024.99 × 60,193.80 - Step 4: Simplify right side
212,008.58x = 19,143,132,643.06 - Step 5: Solve for x
x = 19,143,132,643.06/212,008.58 - Step 6: Final answer
x = 90,294.14
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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.