Finding the Fourth Proportional to 313,387.92, 432,478.44 and 170,149.14
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Solution
The fourth proportional to 313,387.92, 432,478.44 and 170,149.14 is: 234,807.50
Step by Step Solution
- Step 1: Write the proportion equation
313,387.92 : 432,478.44 = 170,149.14 : x - Step 2: Convert to fraction form
313,387.92/432,478.44 = 170,149.14/x - Step 3: Cross multiply
313,387.92x = 432,478.44 × 170,149.14 - Step 4: Simplify right side
313,387.92x = 73,585,834,634.54 - Step 5: Solve for x
x = 73,585,834,634.54/313,387.92 - Step 6: Final answer
x = 234,807.50
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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.