Finding the Fourth Proportional to 113,463.14, 156,577.80 and 62,474.80
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Solution
The fourth proportional to 113,463.14, 156,577.80 and 62,474.80 is: 86,214.49
Step by Step Solution
- Step 1: Write the proportion equation
113,463.14 : 156,577.80 = 62,474.80 : x - Step 2: Convert to fraction form
113,463.14/156,577.80 = 62,474.80/x - Step 3: Cross multiply
113,463.14x = 156,577.80 × 62,474.80 - Step 4: Simplify right side
113,463.14x = 9,782,166,739.44 - Step 5: Solve for x
x = 9,782,166,739.44/113,463.14 - Step 6: Final answer
x = 86,214.49
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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.