Finding the Fourth Proportional to 547,622.70, 821,434.05 and 173,645.70
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Solution
The fourth proportional to 547,622.70, 821,434.05 and 173,645.70 is: 260,468.55
Step by Step Solution
- Step 1: Write the proportion equation
547,622.70 : 821,434.05 = 173,645.70 : x - Step 2: Convert to fraction form
547,622.70/821,434.05 = 173,645.70/x - Step 3: Cross multiply
547,622.70x = 821,434.05 × 173,645.70 - Step 4: Simplify right side
547,622.70x = 142,638,490,616.09 - Step 5: Solve for x
x = 142,638,490,616.09/547,622.70 - Step 6: Final answer
x = 260,468.55
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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.