Finding the Fourth Proportional to 358,350.70, 537,609.18 and 121,693.60
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Solution
The fourth proportional to 358,350.70, 537,609.18 and 121,693.60 is: 182,568.63
Step by Step Solution
- Step 1: Write the proportion equation
358,350.70 : 537,609.18 = 121,693.60 : x - Step 2: Convert to fraction form
358,350.70/537,609.18 = 121,693.60/x - Step 3: Cross multiply
358,350.70x = 537,609.18 × 121,693.60 - Step 4: Simplify right side
358,350.70x = 65,423,596,507.25 - Step 5: Solve for x
x = 65,423,596,507.25/358,350.70 - Step 6: Final answer
x = 182,568.63
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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.