Finding the Fourth Proportional to 358,169.79, 494,271.55 and 197,021.31
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Solution
The fourth proportional to 358,169.79, 494,271.55 and 197,021.31 is: 271,887.88
Step by Step Solution
- Step 1: Write the proportion equation
358,169.79 : 494,271.55 = 197,021.31 : x - Step 2: Convert to fraction form
358,169.79/494,271.55 = 197,021.31/x - Step 3: Cross multiply
358,169.79x = 494,271.55 × 197,021.31 - Step 4: Simplify right side
358,169.79x = 97,382,026,669.49 - Step 5: Solve for x
x = 97,382,026,669.49/358,169.79 - Step 6: Final answer
x = 271,887.88
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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.