Finding the Fourth Proportional to 504,888.21, 696,745.67 and 278,533.71
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Solution
The fourth proportional to 504,888.21, 696,745.67 and 278,533.71 is: 384,376.48
Step by Step Solution
- Step 1: Write the proportion equation
504,888.21 : 696,745.67 = 278,533.71 : x - Step 2: Convert to fraction form
504,888.21/696,745.67 = 278,533.71/x - Step 3: Cross multiply
504,888.21x = 696,745.67 × 278,533.71 - Step 4: Simplify right side
504,888.21x = 194,067,154,998.87 - Step 5: Solve for x
x = 194,067,154,998.87/504,888.21 - Step 6: Final answer
x = 384,376.48
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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.