Finding the Fourth Proportional to 647,947.20, 971,629.20 and 248,455.20
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Solution
The fourth proportional to 647,947.20, 971,629.20 and 248,455.20 is: 372,570.99
Step by Step Solution
- Step 1: Write the proportion equation
647,947.20 : 971,629.20 = 248,455.20 : x - Step 2: Convert to fraction form
647,947.20/971,629.20 = 248,455.20/x - Step 3: Cross multiply
647,947.20x = 971,629.20 × 248,455.20 - Step 4: Simplify right side
647,947.20x = 241,406,327,211.84 - Step 5: Solve for x
x = 241,406,327,211.84/647,947.20 - Step 6: Final answer
x = 372,570.99
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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.