Finding the Fourth Proportional to 467,649.24, 645,203.70 and 286,171.80
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Solution
The fourth proportional to 467,649.24, 645,203.70 and 286,171.80 is: 394,823.92
Step by Step Solution
- Step 1: Write the proportion equation
467,649.24 : 645,203.70 = 286,171.80 : x - Step 2: Convert to fraction form
467,649.24/645,203.70 = 286,171.80/x - Step 3: Cross multiply
467,649.24x = 645,203.70 × 286,171.80 - Step 4: Simplify right side
467,649.24x = 184,639,104,195.66 - Step 5: Solve for x
x = 184,639,104,195.66/467,649.24 - Step 6: Final answer
x = 394,823.92
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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.