Finding the Fourth Proportional to 547,038.12, 820,622.70 and 167,909.19
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Solution
The fourth proportional to 547,038.12, 820,622.70 and 167,909.19 is: 251,883.90
Step by Step Solution
- Step 1: Write the proportion equation
547,038.12 : 820,622.70 = 167,909.19 : x - Step 2: Convert to fraction form
547,038.12/820,622.70 = 167,909.19/x - Step 3: Cross multiply
547,038.12x = 820,622.70 × 167,909.19 - Step 4: Simplify right side
547,038.12x = 137,790,092,013.07 - Step 5: Solve for x
x = 137,790,092,013.07/547,038.12 - Step 6: Final answer
x = 251,883.90
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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.