Finding the Fourth Proportional to 119,342.30, 178,985.16 and 44,497.58
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Solution
The fourth proportional to 119,342.30, 178,985.16 and 44,497.58 is: 66,735.82
Step by Step Solution
- Step 1: Write the proportion equation
119,342.30 : 178,985.16 = 44,497.58 : x - Step 2: Convert to fraction form
119,342.30/178,985.16 = 44,497.58/x - Step 3: Cross multiply
119,342.30x = 178,985.16 × 44,497.58 - Step 4: Simplify right side
119,342.30x = 7,964,406,475.91 - Step 5: Solve for x
x = 7,964,406,475.91/119,342.30 - Step 6: Final answer
x = 66,735.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.