Finding the Fourth Proportional to 457,843.34, 631,806.26 and 253,902.62
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Solution
The fourth proportional to 457,843.34, 631,806.26 and 253,902.62 is: 350,375.88
Step by Step Solution
- Step 1: Write the proportion equation
457,843.34 : 631,806.26 = 253,902.62 : x - Step 2: Convert to fraction form
457,843.34/631,806.26 = 253,902.62/x - Step 3: Cross multiply
457,843.34x = 631,806.26 × 253,902.62 - Step 4: Simplify right side
457,843.34x = 160,417,264,746.40 - Step 5: Solve for x
x = 160,417,264,746.40/457,843.34 - Step 6: Final answer
x = 350,375.88
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1.5x scale
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.