Finding the Fourth Proportional to 135,358.98, 202,069.70 and 117,649.14
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Solution
The fourth proportional to 135,358.98, 202,069.70 and 117,649.14 is: 175,631.69
Step by Step Solution
- Step 1: Write the proportion equation
135,358.98 : 202,069.70 = 117,649.14 : x - Step 2: Convert to fraction form
135,358.98/202,069.70 = 117,649.14/x - Step 3: Cross multiply
135,358.98x = 202,069.70 × 117,649.14 - Step 4: Simplify right side
135,358.98x = 23,773,325,836.81 - Step 5: Solve for x
x = 23,773,325,836.81/135,358.98 - Step 6: Final answer
x = 175,631.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.