Finding the Fourth Proportional to 353,356.36, 487,644.78 and 202,482.52
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Solution
The fourth proportional to 353,356.36, 487,644.78 and 202,482.52 is: 279,433.33
Step by Step Solution
- Step 1: Write the proportion equation
353,356.36 : 487,644.78 = 202,482.52 : x - Step 2: Convert to fraction form
353,356.36/487,644.78 = 202,482.52/x - Step 3: Cross multiply
353,356.36x = 487,644.78 × 202,482.52 - Step 4: Simplify right side
353,356.36x = 98,739,543,919.25 - Step 5: Solve for x
x = 98,739,543,919.25/353,356.36 - Step 6: Final answer
x = 279,433.33
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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.