Finding the Fourth Proportional to 124,559.20, 186,838.80 and 121,278.70
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Solution
The fourth proportional to 124,559.20, 186,838.80 and 121,278.70 is: 181,918.05
Step by Step Solution
- Step 1: Write the proportion equation
124,559.20 : 186,838.80 = 121,278.70 : x - Step 2: Convert to fraction form
124,559.20/186,838.80 = 121,278.70/x - Step 3: Cross multiply
124,559.20x = 186,838.80 × 121,278.70 - Step 4: Simplify right side
124,559.20x = 22,659,566,773.56 - Step 5: Solve for x
x = 22,659,566,773.56/124,559.20 - Step 6: Final answer
x = 181,918.05
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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.