Finding the Fourth Proportional to 135,652.70, 203,479.05 and 88,932.70
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Solution
The fourth proportional to 135,652.70, 203,479.05 and 88,932.70 is: 133,399.05
Step by Step Solution
- Step 1: Write the proportion equation
135,652.70 : 203,479.05 = 88,932.70 : x - Step 2: Convert to fraction form
135,652.70/203,479.05 = 88,932.70/x - Step 3: Cross multiply
135,652.70x = 203,479.05 × 88,932.70 - Step 4: Simplify right side
135,652.70x = 18,095,941,309.94 - Step 5: Solve for x
x = 18,095,941,309.94/135,652.70 - Step 6: Final answer
x = 133,399.05
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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.