Finding the Fourth Proportional to 463,858.21, 640,514.42 and 348,937.66
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Solution
The fourth proportional to 463,858.21, 640,514.42 and 348,937.66 is: 481,827.42
Step by Step Solution
- Step 1: Write the proportion equation
463,858.21 : 640,514.42 = 348,937.66 : x - Step 2: Convert to fraction form
463,858.21/640,514.42 = 348,937.66/x - Step 3: Cross multiply
463,858.21x = 640,514.42 × 348,937.66 - Step 4: Simplify right side
463,858.21x = 223,499,602,911.06 - Step 5: Solve for x
x = 223,499,602,911.06/463,858.21 - Step 6: Final answer
x = 481,827.42
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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.