Finding the Fourth Proportional to 411,295.26, 616,713.65 and 126,905.08
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Solution
The fourth proportional to 411,295.26, 616,713.65 and 126,905.08 is: 190,286.89
Step by Step Solution
- Step 1: Write the proportion equation
411,295.26 : 616,713.65 = 126,905.08 : x - Step 2: Convert to fraction form
411,295.26/616,713.65 = 126,905.08/x - Step 3: Cross multiply
411,295.26x = 616,713.65 × 126,905.08 - Step 4: Simplify right side
411,295.26x = 78,264,095,090.34 - Step 5: Solve for x
x = 78,264,095,090.34/411,295.26 - Step 6: Final answer
x = 190,286.89
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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.