Finding the Fourth Proportional to 317,526.05, 438,184.41 and 174,288.53
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Solution
The fourth proportional to 317,526.05, 438,184.41 and 174,288.53 is: 240,517.33
Step by Step Solution
- Step 1: Write the proportion equation
317,526.05 : 438,184.41 = 174,288.53 : x - Step 2: Convert to fraction form
317,526.05/438,184.41 = 174,288.53/x - Step 3: Cross multiply
317,526.05x = 438,184.41 × 174,288.53 - Step 4: Simplify right side
317,526.05x = 76,370,516,687.82 - Step 5: Solve for x
x = 76,370,516,687.82/317,526.05 - Step 6: Final answer
x = 240,517.33
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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.