Finding the Fourth Proportional to 153,318.28, 229,979.46 and 48,137.26
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Solution
The fourth proportional to 153,318.28, 229,979.46 and 48,137.26 is: 72,206.53
Step by Step Solution
- Step 1: Write the proportion equation
153,318.28 : 229,979.46 = 48,137.26 : x - Step 2: Convert to fraction form
153,318.28/229,979.46 = 48,137.26/x - Step 3: Cross multiply
153,318.28x = 229,979.46 × 48,137.26 - Step 4: Simplify right side
153,318.28x = 11,070,581,060.68 - Step 5: Solve for x
x = 11,070,581,060.68/153,318.28 - Step 6: Final answer
x = 72,206.53
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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.