Finding the Fourth Proportional to 454,369.55, 681,613.25 and 154,769.99
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Solution
The fourth proportional to 454,369.55, 681,613.25 and 154,769.99 is: 232,175.05
Step by Step Solution
- Step 1: Write the proportion equation
454,369.55 : 681,613.25 = 154,769.99 : x - Step 2: Convert to fraction form
454,369.55/681,613.25 = 154,769.99/x - Step 3: Cross multiply
454,369.55x = 681,613.25 × 154,769.99 - Step 4: Simplify right side
454,369.55x = 105,493,271,704.45 - Step 5: Solve for x
x = 105,493,271,704.45/454,369.55 - Step 6: Final answer
x = 232,175.05
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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.