Finding the Fourth Proportional to 415,397.84, 624,397.34 and 274,150.80
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Solution
The fourth proportional to 415,397.84, 624,397.34 and 274,150.80 is: 412,084.55
Step by Step Solution
- Step 1: Write the proportion equation
415,397.84 : 624,397.34 = 274,150.80 : x - Step 2: Convert to fraction form
415,397.84/624,397.34 = 274,150.80/x - Step 3: Cross multiply
415,397.84x = 624,397.34 × 274,150.80 - Step 4: Simplify right side
415,397.84x = 171,179,030,964.25 - Step 5: Solve for x
x = 171,179,030,964.25/415,397.84 - Step 6: Final answer
x = 412,084.55
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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.