Finding the Fourth Proportional to 340,998.12, 511,497.11 and 116,358.55
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Solution
The fourth proportional to 340,998.12, 511,497.11 and 116,358.55 is: 174,537.80
Step by Step Solution
- Step 1: Write the proportion equation
340,998.12 : 511,497.11 = 116,358.55 : x - Step 2: Convert to fraction form
340,998.12/511,497.11 = 116,358.55/x - Step 3: Cross multiply
340,998.12x = 511,497.11 × 116,358.55 - Step 4: Simplify right side
340,998.12x = 59,517,061,060.94 - Step 5: Solve for x
x = 59,517,061,060.94/340,998.12 - Step 6: Final answer
x = 174,537.80
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1.5x scale
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.