Finding the Fourth Proportional to 381,677.70, 572,516.55 and 97,367.70
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Solution
The fourth proportional to 381,677.70, 572,516.55 and 97,367.70 is: 146,051.55
Step by Step Solution
- Step 1: Write the proportion equation
381,677.70 : 572,516.55 = 97,367.70 : x - Step 2: Convert to fraction form
381,677.70/572,516.55 = 97,367.70/x - Step 3: Cross multiply
381,677.70x = 572,516.55 × 97,367.70 - Step 4: Simplify right side
381,677.70x = 55,744,619,685.44 - Step 5: Solve for x
x = 55,744,619,685.44/381,677.70 - Step 6: Final answer
x = 146,051.55
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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.