Finding the Fourth Proportional to 161,319.07, 242,027.84 and 82,488.67
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Solution
The fourth proportional to 161,319.07, 242,027.84 and 82,488.67 is: 123,758.18
Step by Step Solution
- Step 1: Write the proportion equation
161,319.07 : 242,027.84 = 82,488.67 : x - Step 2: Convert to fraction form
161,319.07/242,027.84 = 82,488.67/x - Step 3: Cross multiply
161,319.07x = 242,027.84 × 82,488.67 - Step 4: Simplify right side
161,319.07x = 19,964,554,212.13 - Step 5: Solve for x
x = 19,964,554,212.13/161,319.07 - Step 6: Final answer
x = 123,758.18
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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.