Finding the Fourth Proportional to 181,533.74, 250,497.36 and 100,948.23
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Solution
The fourth proportional to 181,533.74, 250,497.36 and 100,948.23 is: 139,297.88
Step by Step Solution
- Step 1: Write the proportion equation
181,533.74 : 250,497.36 = 100,948.23 : x - Step 2: Convert to fraction form
181,533.74/250,497.36 = 100,948.23/x - Step 3: Cross multiply
181,533.74x = 250,497.36 × 100,948.23 - Step 4: Simplify right side
181,533.74x = 25,287,265,111.67 - Step 5: Solve for x
x = 25,287,265,111.67/181,533.74 - Step 6: Final answer
x = 139,297.88
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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.