Finding the Fourth Proportional to 438,460.76, 657,439.94 and 134,775.84
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Solution
The fourth proportional to 438,460.76, 657,439.94 and 134,775.84 is: 202,086.55
Step by Step Solution
- Step 1: Write the proportion equation
438,460.76 : 657,439.94 = 134,775.84 : x - Step 2: Convert to fraction form
438,460.76/657,439.94 = 134,775.84/x - Step 3: Cross multiply
438,460.76x = 657,439.94 × 134,775.84 - Step 4: Simplify right side
438,460.76x = 88,607,020,163.05 - Step 5: Solve for x
x = 88,607,020,163.05/438,460.76 - Step 6: Final answer
x = 202,086.55
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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.