Finding the Fourth Proportional to 314,178.48, 471,201.84 and 103,768.56
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Solution
The fourth proportional to 314,178.48, 471,201.84 and 103,768.56 is: 155,631.08
Step by Step Solution
- Step 1: Write the proportion equation
314,178.48 : 471,201.84 = 103,768.56 : x - Step 2: Convert to fraction form
314,178.48/471,201.84 = 103,768.56/x - Step 3: Cross multiply
314,178.48x = 471,201.84 × 103,768.56 - Step 4: Simplify right side
314,178.48x = 48,895,936,406.15 - Step 5: Solve for x
x = 48,895,936,406.15/314,178.48 - Step 6: Final answer
x = 155,631.08
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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.