Finding the Fourth Proportional to 317,660.31, 438,377.49 and 174,419.10
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Solution
The fourth proportional to 317,660.31, 438,377.49 and 174,419.10 is: 240,701.80
Step by Step Solution
- Step 1: Write the proportion equation
317,660.31 : 438,377.49 = 174,419.10 : x - Step 2: Convert to fraction form
317,660.31/438,377.49 = 174,419.10/x - Step 3: Cross multiply
317,660.31x = 438,377.49 × 174,419.10 - Step 4: Simplify right side
317,660.31x = 76,461,407,266.06 - Step 5: Solve for x
x = 76,461,407,266.06/317,660.31 - Step 6: Final answer
x = 240,701.80
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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.