Finding the Fourth Proportional to 329,369.09, 454,530.29 and 178,466.09
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Solution
The fourth proportional to 329,369.09, 454,530.29 and 178,466.09 is: 246,283.71
Step by Step Solution
- Step 1: Write the proportion equation
329,369.09 : 454,530.29 = 178,466.09 : x - Step 2: Convert to fraction form
329,369.09/454,530.29 = 178,466.09/x - Step 3: Cross multiply
329,369.09x = 454,530.29 × 178,466.09 - Step 4: Simplify right side
329,369.09x = 81,118,240,477.88 - Step 5: Solve for x
x = 81,118,240,477.88/329,369.09 - Step 6: Final answer
x = 246,283.71
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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.