Finding the Fourth Proportional to 323,843.18, 485,797.14 and 99,201.02
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Solution
The fourth proportional to 323,843.18, 485,797.14 and 99,201.02 is: 148,811.45
Step by Step Solution
- Step 1: Write the proportion equation
323,843.18 : 485,797.14 = 99,201.02 : x - Step 2: Convert to fraction form
323,843.18/485,797.14 = 99,201.02/x - Step 3: Cross multiply
323,843.18x = 485,797.14 × 99,201.02 - Step 4: Simplify right side
323,843.18x = 48,191,571,801.08 - Step 5: Solve for x
x = 48,191,571,801.08/323,843.18 - Step 6: Final answer
x = 148,811.45
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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.