Finding the Fourth Proportional to 292,831.01, 403,268.68 and 274,583.91
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Solution
The fourth proportional to 292,831.01, 403,268.68 and 274,583.91 is: 378,139.90
Step by Step Solution
- Step 1: Write the proportion equation
292,831.01 : 403,268.68 = 274,583.91 : x - Step 2: Convert to fraction form
292,831.01/403,268.68 = 274,583.91/x - Step 3: Cross multiply
292,831.01x = 403,268.68 × 274,583.91 - Step 4: Simplify right side
292,831.01x = 110,731,089,562.02 - Step 5: Solve for x
x = 110,731,089,562.02/292,831.01 - Step 6: Final answer
x = 378,139.90
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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.