Finding the Fourth Proportional to 159,675.05, 239,670.16 and 84,794.98
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Solution
The fourth proportional to 159,675.05, 239,670.16 and 84,794.98 is: 127,276.15
Step by Step Solution
- Step 1: Write the proportion equation
159,675.05 : 239,670.16 = 84,794.98 : x - Step 2: Convert to fraction form
159,675.05/239,670.16 = 84,794.98/x - Step 3: Cross multiply
159,675.05x = 239,670.16 × 84,794.98 - Step 4: Simplify right side
159,675.05x = 20,322,825,999.82 - Step 5: Solve for x
x = 20,322,825,999.82/159,675.05 - Step 6: Final answer
x = 127,276.15
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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.