Finding the Fourth Proportional to 407,708.75, 562,622.66 and 226,432.35
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Solution
The fourth proportional to 407,708.75, 562,622.66 and 226,432.35 is: 312,468.09
Step by Step Solution
- Step 1: Write the proportion equation
407,708.75 : 562,622.66 = 226,432.35 : x - Step 2: Convert to fraction form
407,708.75/562,622.66 = 226,432.35/x - Step 3: Cross multiply
407,708.75x = 562,622.66 × 226,432.35 - Step 4: Simplify right side
407,708.75x = 127,395,971,633.13 - Step 5: Solve for x
x = 127,395,971,633.13/407,708.75 - Step 6: Final answer
x = 312,468.09
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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.