Finding the Fourth Proportional to 329,721.24, 455,039.82 and 186,495.96
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Solution
The fourth proportional to 329,721.24, 455,039.82 and 186,495.96 is: 257,378.29
Step by Step Solution
- Step 1: Write the proportion equation
329,721.24 : 455,039.82 = 186,495.96 : x - Step 2: Convert to fraction form
329,721.24/455,039.82 = 186,495.96/x - Step 3: Cross multiply
329,721.24x = 455,039.82 × 186,495.96 - Step 4: Simplify right side
329,721.24x = 84,863,088,069.13 - Step 5: Solve for x
x = 84,863,088,069.13/329,721.24 - Step 6: Final answer
x = 257,378.29
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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.