Finding the Fourth Proportional to 132,437.74, 198,652.16 and 57,557.88
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Solution
The fourth proportional to 132,437.74, 198,652.16 and 57,557.88 is: 86,334.89
Step by Step Solution
- Step 1: Write the proportion equation
132,437.74 : 198,652.16 = 57,557.88 : x - Step 2: Convert to fraction form
132,437.74/198,652.16 = 57,557.88/x - Step 3: Cross multiply
132,437.74x = 198,652.16 × 57,557.88 - Step 4: Simplify right side
132,437.74x = 11,433,997,187.02 - Step 5: Solve for x
x = 11,433,997,187.02/132,437.74 - Step 6: Final answer
x = 86,334.89
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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.