Finding the Fourth Proportional to 292,330.87, 403,416.37 and 158,194.87
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Solution
The fourth proportional to 292,330.87, 403,416.37 and 158,194.87 is: 218,308.80
Step by Step Solution
- Step 1: Write the proportion equation
292,330.87 : 403,416.37 = 158,194.87 : x - Step 2: Convert to fraction form
292,330.87/403,416.37 = 158,194.87/x - Step 3: Cross multiply
292,330.87x = 403,416.37 × 158,194.87 - Step 4: Simplify right side
292,330.87x = 63,818,400,208.02 - Step 5: Solve for x
x = 63,818,400,208.02/292,330.87 - Step 6: Final answer
x = 218,308.80
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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.