Finding the Fourth Proportional to 269,031.38, 371,230.80 and 154,304.09
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Solution
The fourth proportional to 269,031.38, 371,230.80 and 154,304.09 is: 212,921.00
Step by Step Solution
- Step 1: Write the proportion equation
269,031.38 : 371,230.80 = 154,304.09 : x - Step 2: Convert to fraction form
269,031.38/371,230.80 = 154,304.09/x - Step 3: Cross multiply
269,031.38x = 371,230.80 × 154,304.09 - Step 4: Simplify right side
269,031.38x = 57,282,429,731.29 - Step 5: Solve for x
x = 57,282,429,731.29/269,031.38 - Step 6: Final answer
x = 212,921.00
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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.