Finding the Fourth Proportional to 125,222.40, 171,777.84 and 118,442.88
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Solution
The fourth proportional to 125,222.40, 171,777.84 and 118,442.88 is: 162,477.82
Step by Step Solution
- Step 1: Write the proportion equation
125,222.40 : 171,777.84 = 118,442.88 : x - Step 2: Convert to fraction form
125,222.40/171,777.84 = 118,442.88/x - Step 3: Cross multiply
125,222.40x = 171,777.84 × 118,442.88 - Step 4: Simplify right side
125,222.40x = 20,345,862,089.78 - Step 5: Solve for x
x = 20,345,862,089.78/125,222.40 - Step 6: Final answer
x = 162,477.82
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.