Finding the Fourth Proportional to 212,739.93, 318,996.99 and 62,959.59
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Solution
The fourth proportional to 212,739.93, 318,996.99 and 62,959.59 is: 94,405.97
Step by Step Solution
- Step 1: Write the proportion equation
212,739.93 : 318,996.99 = 62,959.59 : x - Step 2: Convert to fraction form
212,739.93/318,996.99 = 62,959.59/x - Step 3: Cross multiply
212,739.93x = 318,996.99 × 62,959.59 - Step 4: Simplify right side
212,739.93x = 20,083,919,701.63 - Step 5: Solve for x
x = 20,083,919,701.63/212,739.93 - Step 6: Final answer
x = 94,405.97
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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.