Finding the Fourth Proportional to 340,740.94, 511,113.30 and 140,953.09
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Solution
The fourth proportional to 340,740.94, 511,113.30 and 140,953.09 is: 211,430.42
Step by Step Solution
- Step 1: Write the proportion equation
340,740.94 : 511,113.30 = 140,953.09 : x - Step 2: Convert to fraction form
340,740.94/511,113.30 = 140,953.09/x - Step 3: Cross multiply
340,740.94x = 511,113.30 × 140,953.09 - Step 4: Simplify right side
340,740.94x = 72,042,998,975.10 - Step 5: Solve for x
x = 72,042,998,975.10/340,740.94 - Step 6: Final answer
x = 211,430.42
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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.