Finding the Fourth Proportional to 340,936.97, 511,425.96 and 104,281.70
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Solution
The fourth proportional to 340,936.97, 511,425.96 and 104,281.70 is: 156,428.82
Step by Step Solution
- Step 1: Write the proportion equation
340,936.97 : 511,425.96 = 104,281.70 : x - Step 2: Convert to fraction form
340,936.97/511,425.96 = 104,281.70/x - Step 3: Cross multiply
340,936.97x = 511,425.96 × 104,281.70 - Step 4: Simplify right side
340,936.97x = 53,332,368,272.23 - Step 5: Solve for x
x = 53,332,368,272.23/340,936.97 - Step 6: Final answer
x = 156,428.82
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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.