Finding the Fourth Proportional to 307,218.40, 460,876.20 and 107,533.96
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Solution
The fourth proportional to 307,218.40, 460,876.20 and 107,533.96 is: 161,317.95
Step by Step Solution
- Step 1: Write the proportion equation
307,218.40 : 460,876.20 = 107,533.96 : x - Step 2: Convert to fraction form
307,218.40/460,876.20 = 107,533.96/x - Step 3: Cross multiply
307,218.40x = 460,876.20 × 107,533.96 - Step 4: Simplify right side
307,218.40x = 49,559,842,855.75 - Step 5: Solve for x
x = 49,559,842,855.75/307,218.40 - Step 6: Final answer
x = 161,317.95
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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.