Finding the Fourth Proportional to 451,201.23, 622,657.71 and 249,997.23
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Solution
The fourth proportional to 451,201.23, 622,657.71 and 249,997.23 is: 344,996.18
Step by Step Solution
- Step 1: Write the proportion equation
451,201.23 : 622,657.71 = 249,997.23 : x - Step 2: Convert to fraction form
451,201.23/622,657.71 = 249,997.23/x - Step 3: Cross multiply
451,201.23x = 622,657.71 × 249,997.23 - Step 4: Simplify right side
451,201.23x = 155,662,702,738.14 - Step 5: Solve for x
x = 155,662,702,738.14/451,201.23 - Step 6: Final answer
x = 344,996.18
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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.