Finding the Fourth Proportional to 463,216.14, 638,730.63 and 301,771.80
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Solution
The fourth proportional to 463,216.14, 638,730.63 and 301,771.80 is: 416,114.37
Step by Step Solution
- Step 1: Write the proportion equation
463,216.14 : 638,730.63 = 301,771.80 : x - Step 2: Convert to fraction form
463,216.14/638,730.63 = 301,771.80/x - Step 3: Cross multiply
463,216.14x = 638,730.63 × 301,771.80 - Step 4: Simplify right side
463,216.14x = 192,750,891,930.23 - Step 5: Solve for x
x = 192,750,891,930.23/463,216.14 - Step 6: Final answer
x = 416,114.37
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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.