Finding the Fourth Proportional to 325,209.68, 487,954.11 and 125,670.23
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Solution
The fourth proportional to 325,209.68, 487,954.11 and 125,670.23 is: 188,559.28
Step by Step Solution
- Step 1: Write the proportion equation
325,209.68 : 487,954.11 = 125,670.23 : x - Step 2: Convert to fraction form
325,209.68/487,954.11 = 125,670.23/x - Step 3: Cross multiply
325,209.68x = 487,954.11 × 125,670.23 - Step 4: Simplify right side
325,209.68x = 61,321,304,387.57 - Step 5: Solve for x
x = 61,321,304,387.57/325,209.68 - Step 6: Final answer
x = 188,559.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.