Finding the Fourth Proportional to 462,738.24, 638,647.20 and 292,988.16
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Solution
The fourth proportional to 462,738.24, 638,647.20 and 292,988.16 is: 404,366.99
Step by Step Solution
- Step 1: Write the proportion equation
462,738.24 : 638,647.20 = 292,988.16 : x - Step 2: Convert to fraction form
462,738.24/638,647.20 = 292,988.16/x - Step 3: Cross multiply
462,738.24x = 638,647.20 × 292,988.16 - Step 4: Simplify right side
462,738.24x = 187,116,068,017.15 - Step 5: Solve for x
x = 187,116,068,017.15/462,738.24 - Step 6: Final answer
x = 404,366.99
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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.