Finding the Fourth Proportional to 153,887.19, 230,903.69 and 106,575.09
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Solution
The fourth proportional to 153,887.19, 230,903.69 and 106,575.09 is: 159,913.12
Step by Step Solution
- Step 1: Write the proportion equation
153,887.19 : 230,903.69 = 106,575.09 : x - Step 2: Convert to fraction form
153,887.19/230,903.69 = 106,575.09/x - Step 3: Cross multiply
153,887.19x = 230,903.69 × 106,575.09 - Step 4: Simplify right side
153,887.19x = 24,608,581,010.21 - Step 5: Solve for x
x = 24,608,581,010.21/153,887.19 - Step 6: Final answer
x = 159,913.12
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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.