Finding the Fourth Proportional to 261,787.99, 361,228.07 and 147,044.66
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Solution
The fourth proportional to 261,787.99, 361,228.07 and 147,044.66 is: 202,899.51
Step by Step Solution
- Step 1: Write the proportion equation
261,787.99 : 361,228.07 = 147,044.66 : x - Step 2: Convert to fraction form
261,787.99/361,228.07 = 147,044.66/x - Step 3: Cross multiply
261,787.99x = 361,228.07 × 147,044.66 - Step 4: Simplify right side
261,787.99x = 53,116,656,194.24 - Step 5: Solve for x
x = 53,116,656,194.24/261,787.99 - Step 6: Final answer
x = 202,899.51
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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.