Finding the Fourth Proportional to 305,589.24, 458,078.69 and 153,321.12
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Solution
The fourth proportional to 305,589.24, 458,078.69 and 153,321.12 is: 229,828.57
Step by Step Solution
- Step 1: Write the proportion equation
305,589.24 : 458,078.69 = 153,321.12 : x - Step 2: Convert to fraction form
305,589.24/458,078.69 = 153,321.12/x - Step 3: Cross multiply
305,589.24x = 458,078.69 × 153,321.12 - Step 4: Simplify right side
305,589.24x = 70,233,138,182.24 - Step 5: Solve for x
x = 70,233,138,182.24/305,589.24 - Step 6: Final answer
x = 229,828.57
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1.5x scale
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.