Finding the Fourth Proportional to 229,983.12, 344,974.68 and 104,952.72
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Solution
The fourth proportional to 229,983.12, 344,974.68 and 104,952.72 is: 157,429.08
Step by Step Solution
- Step 1: Write the proportion equation
229,983.12 : 344,974.68 = 104,952.72 : x - Step 2: Convert to fraction form
229,983.12/344,974.68 = 104,952.72/x - Step 3: Cross multiply
229,983.12x = 344,974.68 × 104,952.72 - Step 4: Simplify right side
229,983.12x = 36,206,030,997.13 - Step 5: Solve for x
x = 36,206,030,997.13/229,983.12 - Step 6: Final answer
x = 157,429.08
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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.