Finding the Fourth Proportional to 156,572.21, 234,855.57 and 108,496.49
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Solution
The fourth proportional to 156,572.21, 234,855.57 and 108,496.49 is: 162,742.82
Step by Step Solution
- Step 1: Write the proportion equation
156,572.21 : 234,855.57 = 108,496.49 : x - Step 2: Convert to fraction form
156,572.21/234,855.57 = 108,496.49/x - Step 3: Cross multiply
156,572.21x = 234,855.57 × 108,496.49 - Step 4: Simplify right side
156,572.21x = 25,481,003,827.67 - Step 5: Solve for x
x = 25,481,003,827.67/156,572.21 - Step 6: Final answer
x = 162,742.82
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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.