Finding the Fourth Proportional to 230,033.21, 317,452.88 and 125,264.09
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Solution
The fourth proportional to 230,033.21, 317,452.88 and 125,264.09 is: 172,868.29
Step by Step Solution
- Step 1: Write the proportion equation
230,033.21 : 317,452.88 = 125,264.09 : x - Step 2: Convert to fraction form
230,033.21/317,452.88 = 125,264.09/x - Step 3: Cross multiply
230,033.21x = 317,452.88 × 125,264.09 - Step 4: Simplify right side
230,033.21x = 39,765,447,237.87 - Step 5: Solve for x
x = 39,765,447,237.87/230,033.21 - Step 6: Final answer
x = 172,868.29
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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.