Finding the Fourth Proportional to 212,229.74, 318,309.99 and 62,435.00
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Solution
The fourth proportional to 212,229.74, 318,309.99 and 62,435.00 is: 93,642.31
Step by Step Solution
- Step 1: Write the proportion equation
212,229.74 : 318,309.99 = 62,435.00 : x - Step 2: Convert to fraction form
212,229.74/318,309.99 = 62,435.00/x - Step 3: Cross multiply
212,229.74x = 318,309.99 × 62,435.00 - Step 4: Simplify right side
212,229.74x = 19,873,682,634.10 - Step 5: Solve for x
x = 19,873,682,634.10/212,229.74 - Step 6: Final answer
x = 93,642.31
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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.