Finding the Fourth Proportional to 156,219.99, 234,172.18 and 61,516.63
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Solution
The fourth proportional to 156,219.99, 234,172.18 and 61,516.63 is: 92,212.80
Step by Step Solution
- Step 1: Write the proportion equation
156,219.99 : 234,172.18 = 61,516.63 : x - Step 2: Convert to fraction form
156,219.99/234,172.18 = 61,516.63/x - Step 3: Cross multiply
156,219.99x = 234,172.18 × 61,516.63 - Step 4: Simplify right side
156,219.99x = 14,405,483,353.35 - Step 5: Solve for x
x = 14,405,483,353.35/156,219.99 - Step 6: Final answer
x = 92,212.80
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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.