Finding the Fourth Proportional to 417,132.97, 575,621.27 and 235,834.09
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Solution
The fourth proportional to 417,132.97, 575,621.27 and 235,834.09 is: 325,438.47
Step by Step Solution
- Step 1: Write the proportion equation
417,132.97 : 575,621.27 = 235,834.09 : x - Step 2: Convert to fraction form
417,132.97/575,621.27 = 235,834.09/x - Step 3: Cross multiply
417,132.97x = 575,621.27 × 235,834.09 - Step 4: Simplify right side
417,132.97x = 135,751,117,215.92 - Step 5: Solve for x
x = 135,751,117,215.92/417,132.97 - Step 6: Final answer
x = 325,438.47
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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.