Finding the Fourth Proportional to 358,438.74, 494,626.64 and 197,262.98
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Solution
The fourth proportional to 358,438.74, 494,626.64 and 197,262.98 is: 272,212.55
Step by Step Solution
- Step 1: Write the proportion equation
358,438.74 : 494,626.64 = 197,262.98 : x - Step 2: Convert to fraction form
358,438.74/494,626.64 = 197,262.98/x - Step 3: Cross multiply
358,438.74x = 494,626.64 × 197,262.98 - Step 4: Simplify right side
358,438.74x = 97,571,523,389.19 - Step 5: Solve for x
x = 97,571,523,389.19/358,438.74 - Step 6: Final answer
x = 272,212.55
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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.