Finding the Fourth Proportional to 403,301.09, 605,325.56 and 203,762.05
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Solution
The fourth proportional to 403,301.09, 605,325.56 and 203,762.05 is: 305,831.99
Step by Step Solution
- Step 1: Write the proportion equation
403,301.09 : 605,325.56 = 203,762.05 : x - Step 2: Convert to fraction form
403,301.09/605,325.56 = 203,762.05/x - Step 3: Cross multiply
403,301.09x = 605,325.56 × 203,762.05 - Step 4: Simplify right side
403,301.09x = 123,342,374,490.87 - Step 5: Solve for x
x = 123,342,374,490.87/403,301.09 - Step 6: Final answer
x = 305,831.99
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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.