Finding the Fourth Proportional to 186,048.44, 279,125.66 and 91,307.09
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Solution
The fourth proportional to 186,048.44, 279,125.66 and 91,307.09 is: 136,986.65
Step by Step Solution
- Step 1: Write the proportion equation
186,048.44 : 279,125.66 = 91,307.09 : x - Step 2: Convert to fraction form
186,048.44/279,125.66 = 91,307.09/x - Step 3: Cross multiply
186,048.44x = 279,125.66 × 91,307.09 - Step 4: Simplify right side
186,048.44x = 25,486,152,685.01 - Step 5: Solve for x
x = 25,486,152,685.01/186,048.44 - Step 6: Final answer
x = 136,986.65
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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.