Finding the Fourth Proportional to 388,286.98, 582,430.02 and 122,070.76
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Solution
The fourth proportional to 388,286.98, 582,430.02 and 122,070.76 is: 183,106.00
Step by Step Solution
- Step 1: Write the proportion equation
388,286.98 : 582,430.02 = 122,070.76 : x - Step 2: Convert to fraction form
388,286.98/582,430.02 = 122,070.76/x - Step 3: Cross multiply
388,286.98x = 582,430.02 × 122,070.76 - Step 4: Simplify right side
388,286.98x = 71,097,675,188.22 - Step 5: Solve for x
x = 71,097,675,188.22/388,286.98 - Step 6: Final answer
x = 183,106.00
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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.