Finding the Fourth Proportional to 189,306.64, 284,068.50 and 76,966.12
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Solution
The fourth proportional to 189,306.64, 284,068.50 and 76,966.12 is: 115,493.31
Step by Step Solution
- Step 1: Write the proportion equation
189,306.64 : 284,068.50 = 76,966.12 : x - Step 2: Convert to fraction form
189,306.64/284,068.50 = 76,966.12/x - Step 3: Cross multiply
189,306.64x = 284,068.50 × 76,966.12 - Step 4: Simplify right side
189,306.64x = 21,863,650,259.22 - Step 5: Solve for x
x = 21,863,650,259.22/189,306.64 - Step 6: Final answer
x = 115,493.31
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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.