Finding the Fourth Proportional to 287,485.05, 430,750.88 and 174,824.48
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Solution
The fourth proportional to 287,485.05, 430,750.88 and 174,824.48 is: 261,946.83
Step by Step Solution
- Step 1: Write the proportion equation
287,485.05 : 430,750.88 = 174,824.48 : x - Step 2: Convert to fraction form
287,485.05/430,750.88 = 174,824.48/x - Step 3: Cross multiply
287,485.05x = 430,750.88 × 174,824.48 - Step 4: Simplify right side
287,485.05x = 75,305,799,463.89 - Step 5: Solve for x
x = 75,305,799,463.89/287,485.05 - Step 6: Final answer
x = 261,946.83
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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.