Finding the Fourth Proportional to 239,724.63, 359,493.48 and 89,883.09
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Solution
The fourth proportional to 239,724.63, 359,493.48 and 89,883.09 is: 134,789.59
Step by Step Solution
- Step 1: Write the proportion equation
239,724.63 : 359,493.48 = 89,883.09 : x - Step 2: Convert to fraction form
239,724.63/359,493.48 = 89,883.09/x - Step 3: Cross multiply
239,724.63x = 359,493.48 × 89,883.09 - Step 4: Simplify right side
239,724.63x = 32,312,384,817.25 - Step 5: Solve for x
x = 32,312,384,817.25/239,724.63 - Step 6: Final answer
x = 134,789.59
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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.