Finding the Fourth Proportional to 135,008.70, 202,513.05 and 133,040.40
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Solution
The fourth proportional to 135,008.70, 202,513.05 and 133,040.40 is: 199,560.60
Step by Step Solution
- Step 1: Write the proportion equation
135,008.70 : 202,513.05 = 133,040.40 : x - Step 2: Convert to fraction form
135,008.70/202,513.05 = 133,040.40/x - Step 3: Cross multiply
135,008.70x = 202,513.05 × 133,040.40 - Step 4: Simplify right side
135,008.70x = 26,942,417,177.22 - Step 5: Solve for x
x = 26,942,417,177.22/135,008.70 - Step 6: Final answer
x = 199,560.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.