Finding the Fourth Proportional to 146,390.26, 202,018.98 and 79,322.26
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Solution
The fourth proportional to 146,390.26, 202,018.98 and 79,322.26 is: 109,464.95
Step by Step Solution
- Step 1: Write the proportion equation
146,390.26 : 202,018.98 = 79,322.26 : x - Step 2: Convert to fraction form
146,390.26/202,018.98 = 79,322.26/x - Step 3: Cross multiply
146,390.26x = 202,018.98 × 79,322.26 - Step 4: Simplify right side
146,390.26x = 16,024,602,056.49 - Step 5: Solve for x
x = 16,024,602,056.49/146,390.26 - Step 6: Final answer
x = 109,464.95
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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.