Finding the Fourth Proportional to 358,455.06, 494,664.23 and 197,306.65
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Solution
The fourth proportional to 358,455.06, 494,664.23 and 197,306.65 is: 272,281.11
Step by Step Solution
- Step 1: Write the proportion equation
358,455.06 : 494,664.23 = 197,306.65 : x - Step 2: Convert to fraction form
358,455.06/494,664.23 = 197,306.65/x - Step 3: Cross multiply
358,455.06x = 494,664.23 × 197,306.65 - Step 4: Simplify right side
358,455.06x = 97,600,542,096.13 - Step 5: Solve for x
x = 97,600,542,096.13/358,455.06 - Step 6: Final answer
x = 272,281.11
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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.