Finding the Fourth Proportional to 454,352.18, 681,178.35 and 217,572.98
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Solution
The fourth proportional to 454,352.18, 681,178.35 and 217,572.98 is: 326,191.91
Step by Step Solution
- Step 1: Write the proportion equation
454,352.18 : 681,178.35 = 217,572.98 : x - Step 2: Convert to fraction form
454,352.18/681,178.35 = 217,572.98/x - Step 3: Cross multiply
454,352.18x = 681,178.35 × 217,572.98 - Step 4: Simplify right side
454,352.18x = 148,206,003,520.98 - Step 5: Solve for x
x = 148,206,003,520.98/454,352.18 - Step 6: Final answer
x = 326,191.91
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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.