Finding the Fourth Proportional to 153,051.67, 229,579.81 and 58,287.09
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Solution
The fourth proportional to 153,051.67, 229,579.81 and 58,287.09 is: 87,431.52
Step by Step Solution
- Step 1: Write the proportion equation
153,051.67 : 229,579.81 = 58,287.09 : x - Step 2: Convert to fraction form
153,051.67/229,579.81 = 58,287.09/x - Step 3: Cross multiply
153,051.67x = 229,579.81 × 58,287.09 - Step 4: Simplify right side
153,051.67x = 13,381,540,090.72 - Step 5: Solve for x
x = 13,381,540,090.72/153,051.67 - Step 6: Final answer
x = 87,431.52
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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.