Finding the Fourth Proportional to 384,653.16, 576,463.97 and 299,366.99
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Solution
The fourth proportional to 384,653.16, 576,463.97 and 299,366.99 is: 448,649.07
Step by Step Solution
- Step 1: Write the proportion equation
384,653.16 : 576,463.97 = 299,366.99 : x - Step 2: Convert to fraction form
384,653.16/576,463.97 = 299,366.99/x - Step 3: Cross multiply
384,653.16x = 576,463.97 × 299,366.99 - Step 4: Simplify right side
384,653.16x = 172,574,283,542.35 - Step 5: Solve for x
x = 172,574,283,542.35/384,653.16 - Step 6: Final answer
x = 448,649.07
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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.