Finding the Fourth Proportional to 292,036.68, 438,053.76 and 114,418.26
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Solution
The fourth proportional to 292,036.68, 438,053.76 and 114,418.26 is: 171,626.90
Step by Step Solution
- Step 1: Write the proportion equation
292,036.68 : 438,053.76 = 114,418.26 : x - Step 2: Convert to fraction form
292,036.68/438,053.76 = 114,418.26/x - Step 3: Cross multiply
292,036.68x = 438,053.76 × 114,418.26 - Step 4: Simplify right side
292,036.68x = 50,121,349,005.66 - Step 5: Solve for x
x = 50,121,349,005.66/292,036.68 - Step 6: Final answer
x = 171,626.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.