Finding the Fourth Proportional to 219,036.48, 328,573.16 and 69,273.44
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Solution
The fourth proportional to 219,036.48, 328,573.16 and 69,273.44 is: 103,915.99
Step by Step Solution
- Step 1: Write the proportion equation
219,036.48 : 328,573.16 = 69,273.44 : x - Step 2: Convert to fraction form
219,036.48/328,573.16 = 69,273.44/x - Step 3: Cross multiply
219,036.48x = 328,573.16 × 69,273.44 - Step 4: Simplify right side
219,036.48x = 22,761,393,084.87 - Step 5: Solve for x
x = 22,761,393,084.87/219,036.48 - Step 6: Final answer
x = 103,915.99
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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.