Finding the Fourth Proportional to 397,611.30, 549,034.68 and 368,762.96
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Solution
The fourth proportional to 397,611.30, 549,034.68 and 368,762.96 is: 509,199.95
Step by Step Solution
- Step 1: Write the proportion equation
397,611.30 : 549,034.68 = 368,762.96 : x - Step 2: Convert to fraction form
397,611.30/549,034.68 = 368,762.96/x - Step 3: Cross multiply
397,611.30x = 549,034.68 × 368,762.96 - Step 4: Simplify right side
397,611.30x = 202,463,653,739.45 - Step 5: Solve for x
x = 202,463,653,739.45/397,611.30 - Step 6: Final answer
x = 509,199.95
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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.