Finding the Fourth Proportional to 372,645.90, 514,250.64 and 202,879.62
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Solution
The fourth proportional to 372,645.90, 514,250.64 and 202,879.62 is: 279,973.49
Step by Step Solution
- Step 1: Write the proportion equation
372,645.90 : 514,250.64 = 202,879.62 : x - Step 2: Convert to fraction form
372,645.90/514,250.64 = 202,879.62/x - Step 3: Cross multiply
372,645.90x = 514,250.64 × 202,879.62 - Step 4: Simplify right side
372,645.90x = 104,330,974,427.96 - Step 5: Solve for x
x = 104,330,974,427.96/372,645.90 - Step 6: Final answer
x = 279,973.49
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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.