Finding the Fourth Proportional to 247,201.02, 341,140.05 and 145,230.75
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Solution
The fourth proportional to 247,201.02, 341,140.05 and 145,230.75 is: 200,419.99
Step by Step Solution
- Step 1: Write the proportion equation
247,201.02 : 341,140.05 = 145,230.75 : x - Step 2: Convert to fraction form
247,201.02/341,140.05 = 145,230.75/x - Step 3: Cross multiply
247,201.02x = 341,140.05 × 145,230.75 - Step 4: Simplify right side
247,201.02x = 49,544,025,316.54 - Step 5: Solve for x
x = 49,544,025,316.54/247,201.02 - Step 6: Final answer
x = 200,419.99
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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.