Finding the Fourth Proportional to 464,175.36, 640,707.84 and 263,105.28
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Solution
The fourth proportional to 464,175.36, 640,707.84 and 263,105.28 is: 363,167.95
Step by Step Solution
- Step 1: Write the proportion equation
464,175.36 : 640,707.84 = 263,105.28 : x - Step 2: Convert to fraction form
464,175.36/640,707.84 = 263,105.28/x - Step 3: Cross multiply
464,175.36x = 640,707.84 × 263,105.28 - Step 4: Simplify right side
464,175.36x = 168,573,615,641.40 - Step 5: Solve for x
x = 168,573,615,641.40/464,175.36 - Step 6: Final answer
x = 363,167.95
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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.