Finding the Fourth Proportional to 186,515.74, 279,580.88 and 86,594.44
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Solution
The fourth proportional to 186,515.74, 279,580.88 and 86,594.44 is: 129,802.18
Step by Step Solution
- Step 1: Write the proportion equation
186,515.74 : 279,580.88 = 86,594.44 : x - Step 2: Convert to fraction form
186,515.74/279,580.88 = 86,594.44/x - Step 3: Cross multiply
186,515.74x = 279,580.88 × 86,594.44 - Step 4: Simplify right side
186,515.74x = 24,210,149,738.31 - Step 5: Solve for x
x = 24,210,149,738.31/186,515.74 - Step 6: Final answer
x = 129,802.18
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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.