Finding the Fourth Proportional to 409,144.44, 564,068.91 and 286,471.81
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Solution
The fourth proportional to 409,144.44, 564,068.91 and 286,471.81 is: 394,945.72
Step by Step Solution
- Step 1: Write the proportion equation
409,144.44 : 564,068.91 = 286,471.81 : x - Step 2: Convert to fraction form
409,144.44/564,068.91 = 286,471.81/x - Step 3: Cross multiply
409,144.44x = 564,068.91 × 286,471.81 - Step 4: Simplify right side
409,144.44x = 161,589,844,978.23 - Step 5: Solve for x
x = 161,589,844,978.23/409,144.44 - Step 6: Final answer
x = 394,945.72
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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.