Finding the Fourth Proportional to 348,546.80, 522,993.16 and 138,180.08
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Solution
The fourth proportional to 348,546.80, 522,993.16 and 138,180.08 is: 207,338.69
Step by Step Solution
- Step 1: Write the proportion equation
348,546.80 : 522,993.16 = 138,180.08 : x - Step 2: Convert to fraction form
348,546.80/522,993.16 = 138,180.08/x - Step 3: Cross multiply
348,546.80x = 522,993.16 × 138,180.08 - Step 4: Simplify right side
348,546.80x = 72,267,236,688.25 - Step 5: Solve for x
x = 72,267,236,688.25/348,546.80 - Step 6: Final answer
x = 207,338.69
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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.