Finding the Fourth Proportional to 132,353.48, 182,647.23 and 74,992.70
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Solution
The fourth proportional to 132,353.48, 182,647.23 and 74,992.70 is: 103,489.60
Step by Step Solution
- Step 1: Write the proportion equation
132,353.48 : 182,647.23 = 74,992.70 : x - Step 2: Convert to fraction form
132,353.48/182,647.23 = 74,992.70/x - Step 3: Cross multiply
132,353.48x = 182,647.23 × 74,992.70 - Step 4: Simplify right side
132,353.48x = 13,697,208,925.22 - Step 5: Solve for x
x = 13,697,208,925.22/132,353.48 - Step 6: Final answer
x = 103,489.60
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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.