Finding the Fourth Proportional to 292,474.80, 403,803.36 and 238,888.44
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Solution
The fourth proportional to 292,474.80, 403,803.36 and 238,888.44 is: 329,819.71
Step by Step Solution
- Step 1: Write the proportion equation
292,474.80 : 403,803.36 = 238,888.44 : x - Step 2: Convert to fraction form
292,474.80/403,803.36 = 238,888.44/x - Step 3: Cross multiply
292,474.80x = 403,803.36 × 238,888.44 - Step 4: Simplify right side
292,474.80x = 96,463,954,737.16 - Step 5: Solve for x
x = 96,463,954,737.16/292,474.80 - Step 6: Final answer
x = 329,819.71
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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.