Finding the Fourth Proportional to 270,649.98, 373,485.49 and 149,779.96
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Solution
The fourth proportional to 270,649.98, 373,485.49 and 149,779.96 is: 206,689.99
Step by Step Solution
- Step 1: Write the proportion equation
270,649.98 : 373,485.49 = 149,779.96 : x - Step 2: Convert to fraction form
270,649.98/373,485.49 = 149,779.96/x - Step 3: Cross multiply
270,649.98x = 373,485.49 × 149,779.96 - Step 4: Simplify right side
270,649.98x = 55,940,642,548.19 - Step 5: Solve for x
x = 55,940,642,548.19/270,649.98 - Step 6: Final answer
x = 206,689.99
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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.