Finding the Fourth Proportional to 292,367.91, 403,467.77 and 158,231.91
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Solution
The fourth proportional to 292,367.91, 403,467.77 and 158,231.91 is: 218,360.07
Step by Step Solution
- Step 1: Write the proportion equation
292,367.91 : 403,467.77 = 158,231.91 : x - Step 2: Convert to fraction form
292,367.91/403,467.77 = 158,231.91/x - Step 3: Cross multiply
292,367.91x = 403,467.77 × 158,231.91 - Step 4: Simplify right side
292,367.91x = 63,841,475,870.54 - Step 5: Solve for x
x = 63,841,475,870.54/292,367.91 - Step 6: Final answer
x = 218,360.07
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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.