Finding the Fourth Proportional to 239,099.10, 358,591.12 and 70,573.98
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Solution
The fourth proportional to 239,099.10, 358,591.12 and 70,573.98 is: 105,843.99
Step by Step Solution
- Step 1: Write the proportion equation
239,099.10 : 358,591.12 = 70,573.98 : x - Step 2: Convert to fraction form
239,099.10/358,591.12 = 70,573.98/x - Step 3: Cross multiply
239,099.10x = 358,591.12 × 70,573.98 - Step 4: Simplify right side
239,099.10x = 25,307,202,531.06 - Step 5: Solve for x
x = 25,307,202,531.06/239,099.10 - Step 6: Final answer
x = 105,843.99
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1.5x scale
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.