Finding the Fourth Proportional to 411,177.62, 616,453.86 and 284,481.06
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Solution
The fourth proportional to 411,177.62, 616,453.86 and 284,481.06 is: 426,505.33
Step by Step Solution
- Step 1: Write the proportion equation
411,177.62 : 616,453.86 = 284,481.06 : x - Step 2: Convert to fraction form
411,177.62/616,453.86 = 284,481.06/x - Step 3: Cross multiply
411,177.62x = 616,453.86 × 284,481.06 - Step 4: Simplify right side
411,177.62x = 175,369,447,533.89 - Step 5: Solve for x
x = 175,369,447,533.89/411,177.62 - Step 6: Final answer
x = 426,505.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.