Finding the Fourth Proportional to 407,072.98, 561,670.77 and 234,954.28
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Solution
The fourth proportional to 407,072.98, 561,670.77 and 234,954.28 is: 324,184.99
Step by Step Solution
- Step 1: Write the proportion equation
407,072.98 : 561,670.77 = 234,954.28 : x - Step 2: Convert to fraction form
407,072.98/561,670.77 = 234,954.28/x - Step 3: Cross multiply
407,072.98x = 561,670.77 × 234,954.28 - Step 4: Simplify right side
407,072.98x = 131,966,951,362.40 - Step 5: Solve for x
x = 131,966,951,362.40/407,072.98 - Step 6: Final answer
x = 324,184.99
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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.