Finding the Fourth Proportional to 347,148.35, 478,871.81 and 201,937.80
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Solution
The fourth proportional to 347,148.35, 478,871.81 and 201,937.80 is: 278,561.94
Step by Step Solution
- Step 1: Write the proportion equation
347,148.35 : 478,871.81 = 201,937.80 : x - Step 2: Convert to fraction form
347,148.35/478,871.81 = 201,937.80/x - Step 3: Cross multiply
347,148.35x = 478,871.81 × 201,937.80 - Step 4: Simplify right side
347,148.35x = 96,702,318,783.73 - Step 5: Solve for x
x = 96,702,318,783.73/347,148.35 - Step 6: Final answer
x = 278,561.94
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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.