Finding the Fourth Proportional to 292,399.74, 403,512.84 and 158,263.74
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Solution
The fourth proportional to 292,399.74, 403,512.84 and 158,263.74 is: 218,404.61
Step by Step Solution
- Step 1: Write the proportion equation
292,399.74 : 403,512.84 = 158,263.74 : x - Step 2: Convert to fraction form
292,399.74/403,512.84 = 158,263.74/x - Step 3: Cross multiply
292,399.74x = 403,512.84 × 158,263.74 - Step 4: Simplify right side
292,399.74x = 63,861,451,196.42 - Step 5: Solve for x
x = 63,861,451,196.42/292,399.74 - Step 6: Final answer
x = 218,404.61
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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.