Finding the Fourth Proportional to 467,717.29, 645,329.94 and 286,363.05
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Solution
The fourth proportional to 467,717.29, 645,329.94 and 286,363.05 is: 395,107.58
Step by Step Solution
- Step 1: Write the proportion equation
467,717.29 : 645,329.94 = 286,363.05 : x - Step 2: Convert to fraction form
467,717.29/645,329.94 = 286,363.05/x - Step 3: Cross multiply
467,717.29x = 645,329.94 × 286,363.05 - Step 4: Simplify right side
467,717.29x = 184,798,646,380.87 - Step 5: Solve for x
x = 184,798,646,380.87/467,717.29 - Step 6: Final answer
x = 395,107.58
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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.