Finding the Fourth Proportional to 115,192.14, 172,866.06 and 40,312.94
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Solution
The fourth proportional to 115,192.14, 172,866.06 and 40,312.94 is: 60,496.65
Step by Step Solution
- Step 1: Write the proportion equation
115,192.14 : 172,866.06 = 40,312.94 : x - Step 2: Convert to fraction form
115,192.14/172,866.06 = 40,312.94/x - Step 3: Cross multiply
115,192.14x = 172,866.06 × 40,312.94 - Step 4: Simplify right side
115,192.14x = 6,968,738,240.49 - Step 5: Solve for x
x = 6,968,738,240.49/115,192.14 - Step 6: Final answer
x = 60,496.65
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1.5x scale
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.