Finding the Fourth Proportional to 430,308.06, 593,950.17 and 287,067.75
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Solution
The fourth proportional to 430,308.06, 593,950.17 and 287,067.75 is: 396,236.92
Step by Step Solution
- Step 1: Write the proportion equation
430,308.06 : 593,950.17 = 287,067.75 : x - Step 2: Convert to fraction form
430,308.06/593,950.17 = 287,067.75/x - Step 3: Cross multiply
430,308.06x = 593,950.17 × 287,067.75 - Step 4: Simplify right side
430,308.06x = 170,503,938,914.02 - Step 5: Solve for x
x = 170,503,938,914.02/430,308.06 - Step 6: Final answer
x = 396,236.92
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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.