Finding the Fourth Proportional to 427,731.26, 590,203.05 and 246,407.66
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Solution
The fourth proportional to 427,731.26, 590,203.05 and 246,407.66 is: 340,004.50
Step by Step Solution
- Step 1: Write the proportion equation
427,731.26 : 590,203.05 = 246,407.66 : x - Step 2: Convert to fraction form
427,731.26/590,203.05 = 246,407.66/x - Step 3: Cross multiply
427,731.26x = 590,203.05 × 246,407.66 - Step 4: Simplify right side
427,731.26x = 145,430,552,475.36 - Step 5: Solve for x
x = 145,430,552,475.36/427,731.26 - Step 6: Final answer
x = 340,004.50
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1.5x scale
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.