Finding the Fourth Proportional to 179,217.36, 247,317.98 and 98,643.14
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Solution
The fourth proportional to 179,217.36, 247,317.98 and 98,643.14 is: 136,126.45
Step by Step Solution
- Step 1: Write the proportion equation
179,217.36 : 247,317.98 = 98,643.14 : x - Step 2: Convert to fraction form
179,217.36/247,317.98 = 98,643.14/x - Step 3: Cross multiply
179,217.36x = 247,317.98 × 98,643.14 - Step 4: Simplify right side
179,217.36x = 24,396,222,125.66 - Step 5: Solve for x
x = 24,396,222,125.66/179,217.36 - Step 6: Final answer
x = 136,126.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.