Finding the Fourth Proportional to 240,353.40, 331,689.84 and 132,930.68
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Solution
The fourth proportional to 240,353.40, 331,689.84 and 132,930.68 is: 183,445.53
Step by Step Solution
- Step 1: Write the proportion equation
240,353.40 : 331,689.84 = 132,930.68 : x - Step 2: Convert to fraction form
240,353.40/331,689.84 = 132,930.68/x - Step 3: Cross multiply
240,353.40x = 331,689.84 × 132,930.68 - Step 4: Simplify right side
240,353.40x = 44,091,755,980.29 - Step 5: Solve for x
x = 44,091,755,980.29/240,353.40 - Step 6: Final answer
x = 183,445.53
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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.