Finding the Fourth Proportional to 304,312.63, 419,963.79 and 168,344.23
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Solution
The fourth proportional to 304,312.63, 419,963.79 and 168,344.23 is: 232,321.88
Step by Step Solution
- Step 1: Write the proportion equation
304,312.63 : 419,963.79 = 168,344.23 : x - Step 2: Convert to fraction form
304,312.63/419,963.79 = 168,344.23/x - Step 3: Cross multiply
304,312.63x = 419,963.79 × 168,344.23 - Step 4: Simplify right side
304,312.63x = 70,698,480,855.43 - Step 5: Solve for x
x = 70,698,480,855.43/304,312.63 - Step 6: Final answer
x = 232,321.88
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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.