Finding the Fourth Proportional to 647,639.35, 971,460.84 and 248,402.50
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Solution
The fourth proportional to 647,639.35, 971,460.84 and 248,402.50 is: 372,604.45
Step by Step Solution
- Step 1: Write the proportion equation
647,639.35 : 971,460.84 = 248,402.50 : x - Step 2: Convert to fraction form
647,639.35/971,460.84 = 248,402.50/x - Step 3: Cross multiply
647,639.35x = 971,460.84 × 248,402.50 - Step 4: Simplify right side
647,639.35x = 241,313,299,810.96 - Step 5: Solve for x
x = 241,313,299,810.96/647,639.35 - Step 6: Final answer
x = 372,604.45
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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.