Finding the Fourth Proportional to 170,516.21, 255,794.05 and 56,674.18
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Solution
The fourth proportional to 170,516.21, 255,794.05 and 56,674.18 is: 85,017.83
Step by Step Solution
- Step 1: Write the proportion equation
170,516.21 : 255,794.05 = 56,674.18 : x - Step 2: Convert to fraction form
170,516.21/255,794.05 = 56,674.18/x - Step 3: Cross multiply
170,516.21x = 255,794.05 × 56,674.18 - Step 4: Simplify right side
170,516.21x = 14,496,918,423.21 - Step 5: Solve for x
x = 14,496,918,423.21/170,516.21 - Step 6: Final answer
x = 85,017.83
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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.