Finding the Fourth Proportional to 467,641.24, 645,192.66 and 286,163.80
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Solution
The fourth proportional to 467,641.24, 645,192.66 and 286,163.80 is: 394,812.88
Step by Step Solution
- Step 1: Write the proportion equation
467,641.24 : 645,192.66 = 286,163.80 : x - Step 2: Convert to fraction form
467,641.24/645,192.66 = 286,163.80/x - Step 3: Cross multiply
467,641.24x = 645,192.66 × 286,163.80 - Step 4: Simplify right side
467,641.24x = 184,630,783,317.71 - Step 5: Solve for x
x = 184,630,783,317.71/467,641.24 - Step 6: Final answer
x = 394,812.88
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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.