Finding the Fourth Proportional to 556,279.20, 834,418.80 and 201,304.80
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Solution
The fourth proportional to 556,279.20, 834,418.80 and 201,304.80 is: 301,957.20
Step by Step Solution
- Step 1: Write the proportion equation
556,279.20 : 834,418.80 = 201,304.80 : x - Step 2: Convert to fraction form
556,279.20/834,418.80 = 201,304.80/x - Step 3: Cross multiply
556,279.20x = 834,418.80 × 201,304.80 - Step 4: Simplify right side
556,279.20x = 167,972,509,650.24 - Step 5: Solve for x
x = 167,972,509,650.24/556,279.20 - Step 6: Final answer
x = 301,957.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.