Finding the Fourth Proportional to 189,306.69, 283,542.84 and 156,476.12
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Solution
The fourth proportional to 189,306.69, 283,542.84 and 156,476.12 is: 234,369.34
Step by Step Solution
- Step 1: Write the proportion equation
189,306.69 : 283,542.84 = 156,476.12 : x - Step 2: Convert to fraction form
189,306.69/283,542.84 = 156,476.12/x - Step 3: Cross multiply
189,306.69x = 283,542.84 × 156,476.12 - Step 4: Simplify right side
189,306.69x = 44,367,684,693.06 - Step 5: Solve for x
x = 44,367,684,693.06/189,306.69 - Step 6: Final answer
x = 234,369.34
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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.