Finding the Fourth Proportional to 317,701.62, 438,431.31 and 174,464.74
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Solution
The fourth proportional to 317,701.62, 438,431.31 and 174,464.74 is: 240,763.02
Step by Step Solution
- Step 1: Write the proportion equation
317,701.62 : 438,431.31 = 174,464.74 : x - Step 2: Convert to fraction form
317,701.62/438,431.31 = 174,464.74/x - Step 3: Cross multiply
317,701.62x = 438,431.31 × 174,464.74 - Step 4: Simplify right side
317,701.62x = 76,490,802,098.19 - Step 5: Solve for x
x = 76,490,802,098.19/317,701.62 - Step 6: Final answer
x = 240,763.02
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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.