Finding the Fourth Proportional to 120,457.08, 180,851.13 and 61,332.48
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Solution
The fourth proportional to 120,457.08, 180,851.13 and 61,332.48 is: 92,082.99
Step by Step Solution
- Step 1: Write the proportion equation
120,457.08 : 180,851.13 = 61,332.48 : x - Step 2: Convert to fraction form
120,457.08/180,851.13 = 61,332.48/x - Step 3: Cross multiply
120,457.08x = 180,851.13 × 61,332.48 - Step 4: Simplify right side
120,457.08x = 11,092,048,313.70 - Step 5: Solve for x
x = 11,092,048,313.70/120,457.08 - Step 6: Final answer
x = 92,082.99
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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.