Finding the Fourth Proportional to 353,355.36, 487,643.40 and 202,481.52
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Solution
The fourth proportional to 353,355.36, 487,643.40 and 202,481.52 is: 279,431.95
Step by Step Solution
- Step 1: Write the proportion equation
353,355.36 : 487,643.40 = 202,481.52 : x - Step 2: Convert to fraction form
353,355.36/487,643.40 = 202,481.52/x - Step 3: Cross multiply
353,355.36x = 487,643.40 × 202,481.52 - Step 4: Simplify right side
353,355.36x = 98,738,776,849.97 - Step 5: Solve for x
x = 98,738,776,849.97/353,355.36 - Step 6: Final answer
x = 279,431.95
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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.