Finding the Fourth Proportional to 282,182.67, 389,403.32 and 154,854.99
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Solution
The fourth proportional to 282,182.67, 389,403.32 and 154,854.99 is: 213,695.07
Step by Step Solution
- Step 1: Write the proportion equation
282,182.67 : 389,403.32 = 154,854.99 : x - Step 2: Convert to fraction form
282,182.67/389,403.32 = 154,854.99/x - Step 3: Cross multiply
282,182.67x = 389,403.32 × 154,854.99 - Step 4: Simplify right side
282,182.67x = 60,301,046,450.29 - Step 5: Solve for x
x = 60,301,046,450.29/282,182.67 - Step 6: Final answer
x = 213,695.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.