Finding the Fourth Proportional to 656,161.98, 905,503.35 and 354,355.98
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Solution
The fourth proportional to 656,161.98, 905,503.35 and 354,355.98 is: 489,011.15
Step by Step Solution
- Step 1: Write the proportion equation
656,161.98 : 905,503.35 = 354,355.98 : x - Step 2: Convert to fraction form
656,161.98/905,503.35 = 354,355.98/x - Step 3: Cross multiply
656,161.98x = 905,503.35 × 354,355.98 - Step 4: Simplify right side
656,161.98x = 320,870,526,982.53 - Step 5: Solve for x
x = 320,870,526,982.53/656,161.98 - Step 6: Final answer
x = 489,011.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.