Finding the Fourth Proportional to 379,343.08, 523,487.34 and 207,257.35
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Solution
The fourth proportional to 379,343.08, 523,487.34 and 207,257.35 is: 286,011.80
Step by Step Solution
- Step 1: Write the proportion equation
379,343.08 : 523,487.34 = 207,257.35 : x - Step 2: Convert to fraction form
379,343.08/523,487.34 = 207,257.35/x - Step 3: Cross multiply
379,343.08x = 523,487.34 × 207,257.35 - Step 4: Simplify right side
379,343.08x = 108,496,599,365.09 - Step 5: Solve for x
x = 108,496,599,365.09/379,343.08 - Step 6: Final answer
x = 286,011.80
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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.