Finding the Fourth Proportional to 407,432.70, 562,230.60 and 226,135.92
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Solution
The fourth proportional to 407,432.70, 562,230.60 and 226,135.92 is: 312,052.85
Step by Step Solution
- Step 1: Write the proportion equation
407,432.70 : 562,230.60 = 226,135.92 : x - Step 2: Convert to fraction form
407,432.70/562,230.60 = 226,135.92/x - Step 3: Cross multiply
407,432.70x = 562,230.60 × 226,135.92 - Step 4: Simplify right side
407,432.70x = 127,140,533,983.15 - Step 5: Solve for x
x = 127,140,533,983.15/407,432.70 - Step 6: Final answer
x = 312,052.85
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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.