Finding the Fourth Proportional to 156,183.78, 234,371.97 and 61,397.31
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Solution
The fourth proportional to 156,183.78, 234,371.97 and 61,397.31 is: 92,133.82
Step by Step Solution
- Step 1: Write the proportion equation
156,183.78 : 234,371.97 = 61,397.31 : x - Step 2: Convert to fraction form
156,183.78/234,371.97 = 61,397.31/x - Step 3: Cross multiply
156,183.78x = 234,371.97 × 61,397.31 - Step 4: Simplify right side
156,183.78x = 14,389,808,497.40 - Step 5: Solve for x
x = 14,389,808,497.40/156,183.78 - Step 6: Final answer
x = 92,133.82
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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.