Finding the Fourth Proportional to 314,797.32, 436,645.08 and 303,448.68
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Solution
The fourth proportional to 314,797.32, 436,645.08 and 303,448.68 is: 420,903.75
Step by Step Solution
- Step 1: Write the proportion equation
314,797.32 : 436,645.08 = 303,448.68 : x - Step 2: Convert to fraction form
314,797.32/436,645.08 = 303,448.68/x - Step 3: Cross multiply
314,797.32x = 436,645.08 × 303,448.68 - Step 4: Simplify right side
314,797.32x = 132,499,373,154.49 - Step 5: Solve for x
x = 132,499,373,154.49/314,797.32 - Step 6: Final answer
x = 420,903.75
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.