Finding the Fourth Proportional to 358,372.71, 494,587.49 and 197,260.47
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Solution
The fourth proportional to 358,372.71, 494,587.49 and 197,260.47 is: 272,237.69
Step by Step Solution
- Step 1: Write the proportion equation
358,372.71 : 494,587.49 = 197,260.47 : x - Step 2: Convert to fraction form
358,372.71/494,587.49 = 197,260.47/x - Step 3: Cross multiply
358,372.71x = 494,587.49 × 197,260.47 - Step 4: Simplify right side
358,372.71x = 97,562,559,747.22 - Step 5: Solve for x
x = 97,562,559,747.22/358,372.71 - Step 6: Final answer
x = 272,237.69
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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.