Finding the Fourth Proportional to 148,803.44, 205,324.75 and 91,424.31
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Solution
The fourth proportional to 148,803.44, 205,324.75 and 91,424.31 is: 126,150.80
Step by Step Solution
- Step 1: Write the proportion equation
148,803.44 : 205,324.75 = 91,424.31 : x - Step 2: Convert to fraction form
148,803.44/205,324.75 = 91,424.31/x - Step 3: Cross multiply
148,803.44x = 205,324.75 × 91,424.31 - Step 4: Simplify right side
148,803.44x = 18,771,673,594.67 - Step 5: Solve for x
x = 18,771,673,594.67/148,803.44 - Step 6: Final answer
x = 126,150.80
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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.