Finding the Fourth Proportional to 155,216.28, 232,629.73 and 66,365.49
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Solution
The fourth proportional to 155,216.28, 232,629.73 and 66,365.49 is: 99,464.99
Step by Step Solution
- Step 1: Write the proportion equation
155,216.28 : 232,629.73 = 66,365.49 : x - Step 2: Convert to fraction form
155,216.28/232,629.73 = 66,365.49/x - Step 3: Cross multiply
155,216.28x = 232,629.73 × 66,365.49 - Step 4: Simplify right side
155,216.28x = 15,438,584,981.74 - Step 5: Solve for x
x = 15,438,584,981.74/155,216.28 - Step 6: Final answer
x = 99,464.99
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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.