Finding the Fourth Proportional to 180,124.20, 248,554.14 and 99,538.68
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Solution
The fourth proportional to 180,124.20, 248,554.14 and 99,538.68 is: 137,353.84
Step by Step Solution
- Step 1: Write the proportion equation
180,124.20 : 248,554.14 = 99,538.68 : x - Step 2: Convert to fraction form
180,124.20/248,554.14 = 99,538.68/x - Step 3: Cross multiply
180,124.20x = 248,554.14 × 99,538.68 - Step 4: Simplify right side
180,124.20x = 24,740,751,004.14 - Step 5: Solve for x
x = 24,740,751,004.14/180,124.20 - Step 6: Final answer
x = 137,353.84
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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.