Finding the Fourth Proportional to 405,939.08, 560,182.08 and 224,658.62
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Solution
The fourth proportional to 405,939.08, 560,182.08 and 224,658.62 is: 310,021.23
Step by Step Solution
- Step 1: Write the proportion equation
405,939.08 : 560,182.08 = 224,658.62 : x - Step 2: Convert to fraction form
405,939.08/560,182.08 = 224,658.62/x - Step 3: Cross multiply
405,939.08x = 560,182.08 × 224,658.62 - Step 4: Simplify right side
405,939.08x = 125,849,733,041.53 - Step 5: Solve for x
x = 125,849,733,041.53/405,939.08 - Step 6: Final answer
x = 310,021.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.