Finding the Fourth Proportional to 226,324.08, 312,325.95 and 122,957.40
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Solution
The fourth proportional to 226,324.08, 312,325.95 and 122,957.40 is: 169,680.52
Step by Step Solution
- Step 1: Write the proportion equation
226,324.08 : 312,325.95 = 122,957.40 : x - Step 2: Convert to fraction form
226,324.08/312,325.95 = 122,957.40/x - Step 3: Cross multiply
226,324.08x = 312,325.95 × 122,957.40 - Step 4: Simplify right side
226,324.08x = 38,402,786,764.53 - Step 5: Solve for x
x = 38,402,786,764.53/226,324.08 - Step 6: Final answer
x = 169,680.52
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1.5x scale
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.