Finding the Fourth Proportional to 320,829.96, 481,269.78 and 107,599.08
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Solution
The fourth proportional to 320,829.96, 481,269.78 and 107,599.08 is: 161,406.95
Step by Step Solution
- Step 1: Write the proportion equation
320,829.96 : 481,269.78 = 107,599.08 : x - Step 2: Convert to fraction form
320,829.96/481,269.78 = 107,599.08/x - Step 3: Cross multiply
320,829.96x = 481,269.78 × 107,599.08 - Step 4: Simplify right side
320,829.96x = 51,784,185,559.80 - Step 5: Solve for x
x = 51,784,185,559.80/320,829.96 - Step 6: Final answer
x = 161,406.95
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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.