Finding the Fourth Proportional to 362,406.05, 543,609.08 and 228,561.65
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Solution
The fourth proportional to 362,406.05, 543,609.08 and 228,561.65 is: 342,842.48
Step by Step Solution
- Step 1: Write the proportion equation
362,406.05 : 543,609.08 = 228,561.65 : x - Step 2: Convert to fraction form
362,406.05/543,609.08 = 228,561.65/x - Step 3: Cross multiply
362,406.05x = 543,609.08 × 228,561.65 - Step 4: Simplify right side
362,406.05x = 124,248,187,136.97 - Step 5: Solve for x
x = 124,248,187,136.97/362,406.05 - Step 6: Final answer
x = 342,842.48
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1.5x scale
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.