Finding the Fourth Proportional to 467,791.25, 645,404.56 and 286,313.99
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Solution
The fourth proportional to 467,791.25, 645,404.56 and 286,313.99 is: 395,023.11
Step by Step Solution
- Step 1: Write the proportion equation
467,791.25 : 645,404.56 = 286,313.99 : x - Step 2: Convert to fraction form
467,791.25/645,404.56 = 286,313.99/x - Step 3: Cross multiply
467,791.25x = 645,404.56 × 286,313.99 - Step 4: Simplify right side
467,791.25x = 184,788,354,737.79 - Step 5: Solve for x
x = 184,788,354,737.79/467,791.25 - Step 6: Final answer
x = 395,023.11
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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.