Finding the Fourth Proportional to 292,671.09, 403,883.82 and 158,535.09
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Solution
The fourth proportional to 292,671.09, 403,883.82 and 158,535.09 is: 218,777.19
Step by Step Solution
- Step 1: Write the proportion equation
292,671.09 : 403,883.82 = 158,535.09 : x - Step 2: Convert to fraction form
292,671.09/403,883.82 = 158,535.09/x - Step 3: Cross multiply
292,671.09x = 403,883.82 × 158,535.09 - Step 4: Simplify right side
292,671.09x = 64,029,757,753.24 - Step 5: Solve for x
x = 64,029,757,753.24/292,671.09 - Step 6: Final answer
x = 218,777.19
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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.