Finding the Fourth Proportional to 292,920.75, 404,230.68 and 158,784.75
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Solution
The fourth proportional to 292,920.75, 404,230.68 and 158,784.75 is: 219,122.98
Step by Step Solution
- Step 1: Write the proportion equation
292,920.75 : 404,230.68 = 158,784.75 : x - Step 2: Convert to fraction form
292,920.75/404,230.68 = 158,784.75/x - Step 3: Cross multiply
292,920.75x = 404,230.68 × 158,784.75 - Step 4: Simplify right side
292,920.75x = 64,185,667,466.13 - Step 5: Solve for x
x = 64,185,667,466.13/292,920.75 - Step 6: Final answer
x = 219,122.98
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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.