Finding the Fourth Proportional to 471,900.60, 651,340.68 and 290,767.92
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Solution
The fourth proportional to 471,900.60, 651,340.68 and 290,767.92 is: 401,332.35
Step by Step Solution
- Step 1: Write the proportion equation
471,900.60 : 651,340.68 = 290,767.92 : x - Step 2: Convert to fraction form
471,900.60/651,340.68 = 290,767.92/x - Step 3: Cross multiply
471,900.60x = 651,340.68 × 290,767.92 - Step 4: Simplify right side
471,900.60x = 189,388,974,734.99 - Step 5: Solve for x
x = 189,388,974,734.99/471,900.60 - Step 6: Final answer
x = 401,332.35
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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.