Finding the Fourth Proportional to 610,171.20, 915,246.99 and 189,447.48
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Solution
The fourth proportional to 610,171.20, 915,246.99 and 189,447.48 is: 284,168.17
Step by Step Solution
- Step 1: Write the proportion equation
610,171.20 : 915,246.99 = 189,447.48 : x - Step 2: Convert to fraction form
610,171.20/915,246.99 = 189,447.48/x - Step 3: Cross multiply
610,171.20x = 915,246.99 × 189,447.48 - Step 4: Simplify right side
610,171.20x = 173,391,235,833.09 - Step 5: Solve for x
x = 173,391,235,833.09/610,171.20 - Step 6: Final answer
x = 284,168.17
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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.