Finding the Fourth Proportional to 256,293.41, 353,683.49 and 141,579.95
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Solution
The fourth proportional to 256,293.41, 353,683.49 and 141,579.95 is: 195,379.55
Step by Step Solution
- Step 1: Write the proportion equation
256,293.41 : 353,683.49 = 141,579.95 : x - Step 2: Convert to fraction form
256,293.41/353,683.49 = 141,579.95/x - Step 3: Cross multiply
256,293.41x = 353,683.49 × 141,579.95 - Step 4: Simplify right side
256,293.41x = 50,074,489,415.56 - Step 5: Solve for x
x = 50,074,489,415.56/256,293.41 - Step 6: Final answer
x = 195,379.55
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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.