Finding the Fourth Proportional to 343,343.86, 514,917.37 and 103,480.99
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Solution
The fourth proportional to 343,343.86, 514,917.37 and 103,480.99 is: 155,191.82
Step by Step Solution
- Step 1: Write the proportion equation
343,343.86 : 514,917.37 = 103,480.99 : x - Step 2: Convert to fraction form
343,343.86/514,917.37 = 103,480.99/x - Step 3: Cross multiply
343,343.86x = 514,917.37 × 103,480.99 - Step 4: Simplify right side
343,343.86x = 53,284,159,215.80 - Step 5: Solve for x
x = 53,284,159,215.80/343,343.86 - Step 6: Final answer
x = 155,191.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.