Finding the Fourth Proportional to 318,129.34, 439,026.87 and 174,892.99
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Solution
The fourth proportional to 318,129.34, 439,026.87 and 174,892.99 is: 241,356.93
Step by Step Solution
- Step 1: Write the proportion equation
318,129.34 : 439,026.87 = 174,892.99 : x - Step 2: Convert to fraction form
318,129.34/439,026.87 = 174,892.99/x - Step 3: Cross multiply
318,129.34x = 439,026.87 × 174,892.99 - Step 4: Simplify right side
318,129.34x = 76,782,721,984.64 - Step 5: Solve for x
x = 76,782,721,984.64/318,129.34 - Step 6: Final answer
x = 241,356.93
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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.