Finding the Fourth Proportional to 556,142.70, 834,206.76 and 135,418.98
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Solution
The fourth proportional to 556,142.70, 834,206.76 and 135,418.98 is: 203,126.69
Step by Step Solution
- Step 1: Write the proportion equation
556,142.70 : 834,206.76 = 135,418.98 : x - Step 2: Convert to fraction form
556,142.70/834,206.76 = 135,418.98/x - Step 3: Cross multiply
556,142.70x = 834,206.76 × 135,418.98 - Step 4: Simplify right side
556,142.70x = 112,967,428,548.31 - Step 5: Solve for x
x = 112,967,428,548.31/556,142.70 - Step 6: Final answer
x = 203,126.69
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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.