Finding the Fourth Proportional to 358,358.10, 494,588.61 and 215,197.08
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Solution
The fourth proportional to 358,358.10, 494,588.61 and 215,197.08 is: 297,004.66
Step by Step Solution
- Step 1: Write the proportion equation
358,358.10 : 494,588.61 = 215,197.08 : x - Step 2: Convert to fraction form
358,358.10/494,588.61 = 215,197.08/x - Step 3: Cross multiply
358,358.10x = 494,588.61 × 215,197.08 - Step 4: Simplify right side
358,358.10x = 106,434,024,673.26 - Step 5: Solve for x
x = 106,434,024,673.26/358,358.10 - Step 6: Final answer
x = 297,004.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.