Finding the Fourth Proportional to 415,729.32, 573,707.93 and 224,742.75
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Solution
The fourth proportional to 415,729.32, 573,707.93 and 224,742.75 is: 310,145.79
Step by Step Solution
- Step 1: Write the proportion equation
415,729.32 : 573,707.93 = 224,742.75 : x - Step 2: Convert to fraction form
415,729.32/573,707.93 = 224,742.75/x - Step 3: Cross multiply
415,729.32x = 573,707.93 × 224,742.75 - Step 4: Simplify right side
415,729.32x = 128,936,696,761.29 - Step 5: Solve for x
x = 128,936,696,761.29/415,729.32 - Step 6: Final answer
x = 310,145.79
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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.