Finding the Fourth Proportional to 292,664.13, 403,876.49 and 158,528.13
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Solution
The fourth proportional to 292,664.13, 403,876.49 and 158,528.13 is: 218,768.81
Step by Step Solution
- Step 1: Write the proportion equation
292,664.13 : 403,876.49 = 158,528.13 : x - Step 2: Convert to fraction form
292,664.13/403,876.49 = 158,528.13/x - Step 3: Cross multiply
292,664.13x = 403,876.49 × 158,528.13 - Step 4: Simplify right side
292,664.13x = 64,025,784,710.66 - Step 5: Solve for x
x = 64,025,784,710.66/292,664.13 - Step 6: Final answer
x = 218,768.81
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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.