Finding the Fourth Proportional to 292,264.75, 403,325.36 and 158,128.75
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Solution
The fourth proportional to 292,264.75, 403,325.36 and 158,128.75 is: 218,217.68
Step by Step Solution
- Step 1: Write the proportion equation
292,264.75 : 403,325.36 = 158,128.75 : x - Step 2: Convert to fraction form
292,264.75/403,325.36 = 158,128.75/x - Step 3: Cross multiply
292,264.75x = 403,325.36 × 158,128.75 - Step 4: Simplify right side
292,264.75x = 63,777,334,229.46 - Step 5: Solve for x
x = 63,777,334,229.46/292,264.75 - Step 6: Final answer
x = 218,217.68
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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.