Finding the Fourth Proportional to 310,845.91, 428,968.01 and 183,529.70
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Solution
The fourth proportional to 310,845.91, 428,968.01 and 183,529.70 is: 253,271.37
Step by Step Solution
- Step 1: Write the proportion equation
310,845.91 : 428,968.01 = 183,529.70 : x - Step 2: Convert to fraction form
310,845.91/428,968.01 = 183,529.70/x - Step 3: Cross multiply
310,845.91x = 428,968.01 × 183,529.70 - Step 4: Simplify right side
310,845.91x = 78,728,370,184.90 - Step 5: Solve for x
x = 78,728,370,184.90/310,845.91 - Step 6: Final answer
x = 253,271.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.