Finding the Fourth Proportional to 181,697.40, 250,750.67 and 101,130.07
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Solution
The fourth proportional to 181,697.40, 250,750.67 and 101,130.07 is: 139,564.09
Step by Step Solution
- Step 1: Write the proportion equation
181,697.40 : 250,750.67 = 101,130.07 : x - Step 2: Convert to fraction form
181,697.40/250,750.67 = 101,130.07/x - Step 3: Cross multiply
181,697.40x = 250,750.67 × 101,130.07 - Step 4: Simplify right side
181,697.40x = 25,358,432,809.65 - Step 5: Solve for x
x = 25,358,432,809.65/181,697.40 - Step 6: Final answer
x = 139,564.09
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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.