Finding the Fourth Proportional to 221,637.36, 305,651.94 and 176,464.46
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Solution
The fourth proportional to 221,637.36, 305,651.94 and 176,464.46 is: 243,355.65
Step by Step Solution
- Step 1: Write the proportion equation
221,637.36 : 305,651.94 = 176,464.46 : x - Step 2: Convert to fraction form
221,637.36/305,651.94 = 176,464.46/x - Step 3: Cross multiply
221,637.36x = 305,651.94 × 176,464.46 - Step 4: Simplify right side
221,637.36x = 53,936,704,540.05 - Step 5: Solve for x
x = 53,936,704,540.05/221,637.36 - Step 6: Final answer
x = 243,355.65
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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.