Finding the Fourth Proportional to 319,617.03, 441,146.99 and 183,729.81
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Solution
The fourth proportional to 319,617.03, 441,146.99 and 183,729.81 is: 253,590.53
Step by Step Solution
- Step 1: Write the proportion equation
319,617.03 : 441,146.99 = 183,729.81 : x - Step 2: Convert to fraction form
319,617.03/441,146.99 = 183,729.81/x - Step 3: Cross multiply
319,617.03x = 441,146.99 × 183,729.81 - Step 4: Simplify right side
319,617.03x = 81,051,851,736.12 - Step 5: Solve for x
x = 81,051,851,736.12/319,617.03 - Step 6: Final answer
x = 253,590.53
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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.