Finding the Fourth Proportional to 269,775.21, 372,287.68 and 148,916.53
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Solution
The fourth proportional to 269,775.21, 372,287.68 and 148,916.53 is: 205,503.65
Step by Step Solution
- Step 1: Write the proportion equation
269,775.21 : 372,287.68 = 148,916.53 : x - Step 2: Convert to fraction form
269,775.21/372,287.68 = 148,916.53/x - Step 3: Cross multiply
269,775.21x = 372,287.68 × 148,916.53 - Step 4: Simplify right side
269,775.21x = 55,439,789,467.35 - Step 5: Solve for x
x = 55,439,789,467.35/269,775.21 - Step 6: Final answer
x = 205,503.65
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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.