Finding the Fourth Proportional to 124,275.95, 186,229.60 and 91,282.67
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Solution
The fourth proportional to 124,275.95, 186,229.60 and 91,282.67 is: 136,788.62
Step by Step Solution
- Step 1: Write the proportion equation
124,275.95 : 186,229.60 = 91,282.67 : x - Step 2: Convert to fraction form
124,275.95/186,229.60 = 91,282.67/x - Step 3: Cross multiply
124,275.95x = 186,229.60 × 91,282.67 - Step 4: Simplify right side
124,275.95x = 16,999,535,121.03 - Step 5: Solve for x
x = 16,999,535,121.03/124,275.95 - Step 6: Final answer
x = 136,788.62
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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.