Finding the Fourth Proportional to 356,201.11, 534,329.43 and 103,485.70
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Solution
The fourth proportional to 356,201.11, 534,329.43 and 103,485.70 is: 155,236.62
Step by Step Solution
- Step 1: Write the proportion equation
356,201.11 : 534,329.43 = 103,485.70 : x - Step 2: Convert to fraction form
356,201.11/534,329.43 = 103,485.70/x - Step 3: Cross multiply
356,201.11x = 534,329.43 × 103,485.70 - Step 4: Simplify right side
356,201.11x = 55,295,455,094.15 - Step 5: Solve for x
x = 55,295,455,094.15/356,201.11 - Step 6: Final answer
x = 155,236.62
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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.