Finding the Fourth Proportional to 107,030.70, 160,497.45 and 40,448.70
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Solution
The fourth proportional to 107,030.70, 160,497.45 and 40,448.70 is: 60,654.68
Step by Step Solution
- Step 1: Write the proportion equation
107,030.70 : 160,497.45 = 40,448.70 : x - Step 2: Convert to fraction form
107,030.70/160,497.45 = 40,448.70/x - Step 3: Cross multiply
107,030.70x = 160,497.45 × 40,448.70 - Step 4: Simplify right side
107,030.70x = 6,491,913,205.82 - Step 5: Solve for x
x = 6,491,913,205.82/107,030.70 - Step 6: Final answer
x = 60,654.68
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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.