Finding the Fourth Proportional to 372,378.17, 512,269.32 and 326,229.99
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Solution
The fourth proportional to 372,378.17, 512,269.32 and 326,229.99 is: 448,784.67
Step by Step Solution
- Step 1: Write the proportion equation
372,378.17 : 512,269.32 = 326,229.99 : x - Step 2: Convert to fraction form
372,378.17/512,269.32 = 326,229.99/x - Step 3: Cross multiply
372,378.17x = 512,269.32 × 326,229.99 - Step 4: Simplify right side
372,378.17x = 167,117,613,509.76 - Step 5: Solve for x
x = 167,117,613,509.76/372,378.17 - Step 6: Final answer
x = 448,784.67
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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.