Finding the Fourth Proportional to 181,730.99, 250,786.08 and 101,158.40
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Solution
The fourth proportional to 181,730.99, 250,786.08 and 101,158.40 is: 139,597.09
Step by Step Solution
- Step 1: Write the proportion equation
181,730.99 : 250,786.08 = 101,158.40 : x - Step 2: Convert to fraction form
181,730.99/250,786.08 = 101,158.40/x - Step 3: Cross multiply
181,730.99x = 250,786.08 × 101,158.40 - Step 4: Simplify right side
181,730.99x = 25,369,117,341.14 - Step 5: Solve for x
x = 25,369,117,341.14/181,730.99 - Step 6: Final answer
x = 139,597.09
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1.5x scale
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.