Finding the Fourth Proportional to 463,569.18, 639,703.35 and 284,686.62
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Solution
The fourth proportional to 463,569.18, 639,703.35 and 284,686.62 is: 392,853.95
Step by Step Solution
- Step 1: Write the proportion equation
463,569.18 : 639,703.35 = 284,686.62 : x - Step 2: Convert to fraction form
463,569.18/639,703.35 = 284,686.62/x - Step 3: Cross multiply
463,569.18x = 639,703.35 × 284,686.62 - Step 4: Simplify right side
463,569.18x = 182,114,984,514.18 - Step 5: Solve for x
x = 182,114,984,514.18/463,569.18 - Step 6: Final answer
x = 392,853.95
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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.