Finding the Fourth Proportional to 464,226.96, 640,829.16 and 313,528.08
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Solution
The fourth proportional to 464,226.96, 640,829.16 and 313,528.08 is: 432,801.09
Step by Step Solution
- Step 1: Write the proportion equation
464,226.96 : 640,829.16 = 313,528.08 : x - Step 2: Convert to fraction form
464,226.96/640,829.16 = 313,528.08/x - Step 3: Cross multiply
464,226.96x = 640,829.16 × 313,528.08 - Step 4: Simplify right side
464,226.96x = 200,917,936,142.81 - Step 5: Solve for x
x = 200,917,936,142.81/464,226.96 - Step 6: Final answer
x = 432,801.09
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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.