Finding the Fourth Proportional to 269,154.09, 371,126.61 and 172,228.68
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Solution
The fourth proportional to 269,154.09, 371,126.61 and 172,228.68 is: 237,479.75
Step by Step Solution
- Step 1: Write the proportion equation
269,154.09 : 371,126.61 = 172,228.68 : x - Step 2: Convert to fraction form
269,154.09/371,126.61 = 172,228.68/x - Step 3: Cross multiply
269,154.09x = 371,126.61 × 172,228.68 - Step 4: Simplify right side
269,154.09x = 63,918,646,153.17 - Step 5: Solve for x
x = 63,918,646,153.17/269,154.09 - Step 6: Final answer
x = 237,479.75
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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.