Finding the Fourth Proportional to 358,568.68, 494,821.14 and 197,420.68
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Solution
The fourth proportional to 358,568.68, 494,821.14 and 197,420.68 is: 272,438.54
Step by Step Solution
- Step 1: Write the proportion equation
358,568.68 : 494,821.14 = 197,420.68 : x - Step 2: Convert to fraction form
358,568.68/494,821.14 = 197,420.68/x - Step 3: Cross multiply
358,568.68x = 494,821.14 × 197,420.68 - Step 4: Simplify right side
358,568.68x = 97,687,925,937.18 - Step 5: Solve for x
x = 97,687,925,937.18/358,568.68 - Step 6: Final answer
x = 272,438.54
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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.