Finding the Fourth Proportional to 377,214.87, 520,546.13 and 207,449.00
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Solution
The fourth proportional to 377,214.87, 520,546.13 and 207,449.00 is: 286,273.90
Step by Step Solution
- Step 1: Write the proportion equation
377,214.87 : 520,546.13 = 207,449.00 : x - Step 2: Convert to fraction form
377,214.87/520,546.13 = 207,449.00/x - Step 3: Cross multiply
377,214.87x = 520,546.13 × 207,449.00 - Step 4: Simplify right side
377,214.87x = 107,986,773,212.38 - Step 5: Solve for x
x = 107,986,773,212.38/377,214.87 - Step 6: Final answer
x = 286,273.90
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1.5x scale
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.