Finding the Fourth Proportional to 402,316.06, 603,548.07 and 132,459.70
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Solution
The fourth proportional to 402,316.06, 603,548.07 and 132,459.70 is: 198,713.91
Step by Step Solution
- Step 1: Write the proportion equation
402,316.06 : 603,548.07 = 132,459.70 : x - Step 2: Convert to fraction form
402,316.06/603,548.07 = 132,459.70/x - Step 3: Cross multiply
402,316.06x = 603,548.07 × 132,459.70 - Step 4: Simplify right side
402,316.06x = 79,945,796,287.78 - Step 5: Solve for x
x = 79,945,796,287.78/402,316.06 - Step 6: Final answer
x = 198,713.91
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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.