Finding the Fourth Proportional to 471,329.13, 650,428.73 and 256,465.49
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Solution
The fourth proportional to 471,329.13, 650,428.73 and 256,465.49 is: 353,919.40
Step by Step Solution
- Step 1: Write the proportion equation
471,329.13 : 650,428.73 = 256,465.49 : x - Step 2: Convert to fraction form
471,329.13/650,428.73 = 256,465.49/x - Step 3: Cross multiply
471,329.13x = 650,428.73 × 256,465.49 - Step 4: Simplify right side
471,329.13x = 166,812,520,041.13 - Step 5: Solve for x
x = 166,812,520,041.13/471,329.13 - Step 6: Final answer
x = 353,919.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.