Finding the Fourth Proportional to 256,212.18, 353,586.81 and 141,490.53
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Solution
The fourth proportional to 256,212.18, 353,586.81 and 141,490.53 is: 195,264.67
Step by Step Solution
- Step 1: Write the proportion equation
256,212.18 : 353,586.81 = 141,490.53 : x - Step 2: Convert to fraction form
256,212.18/353,586.81 = 141,490.53/x - Step 3: Cross multiply
256,212.18x = 353,586.81 × 141,490.53 - Step 4: Simplify right side
256,212.18x = 50,029,184,833.17 - Step 5: Solve for x
x = 50,029,184,833.17/256,212.18 - Step 6: Final answer
x = 195,264.67
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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.