Finding the Fourth Proportional to 259,828.09, 358,907.02 and 209,032.14
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Solution
The fourth proportional to 259,828.09, 358,907.02 and 209,032.14 is: 288,741.31
Step by Step Solution
- Step 1: Write the proportion equation
259,828.09 : 358,907.02 = 209,032.14 : x - Step 2: Convert to fraction form
259,828.09/358,907.02 = 209,032.14/x - Step 3: Cross multiply
259,828.09x = 358,907.02 × 209,032.14 - Step 4: Simplify right side
259,828.09x = 75,023,103,274.94 - Step 5: Solve for x
x = 75,023,103,274.94/259,828.09 - Step 6: Final answer
x = 288,741.31
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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.