Finding the Fourth Proportional to 358,588.24, 494,863.56 and 197,455.12
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Solution
The fourth proportional to 358,588.24, 494,863.56 and 197,455.12 is: 272,494.56
Step by Step Solution
- Step 1: Write the proportion equation
358,588.24 : 494,863.56 = 197,455.12 : x - Step 2: Convert to fraction form
358,588.24/494,863.56 = 197,455.12/x - Step 3: Cross multiply
358,588.24x = 494,863.56 × 197,455.12 - Step 4: Simplify right side
358,588.24x = 97,713,343,623.43 - Step 5: Solve for x
x = 97,713,343,623.43/358,588.24 - Step 6: Final answer
x = 272,494.56
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1.5x scale
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.