Finding the Fourth Proportional to 368,668.18, 508,800.36 and 225,523.45
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Solution
The fourth proportional to 368,668.18, 508,800.36 and 225,523.45 is: 311,245.77
Step by Step Solution
- Step 1: Write the proportion equation
368,668.18 : 508,800.36 = 225,523.45 : x - Step 2: Convert to fraction form
368,668.18/508,800.36 = 225,523.45/x - Step 3: Cross multiply
368,668.18x = 508,800.36 × 225,523.45 - Step 4: Simplify right side
368,668.18x = 114,746,412,548.44 - Step 5: Solve for x
x = 114,746,412,548.44/368,668.18 - Step 6: Final answer
x = 311,245.77
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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.