Finding the Fourth Proportional to 254,584.13, 351,337.05 and 141,406.88
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Solution
The fourth proportional to 254,584.13, 351,337.05 and 141,406.88 is: 195,147.57
Step by Step Solution
- Step 1: Write the proportion equation
254,584.13 : 351,337.05 = 141,406.88 : x - Step 2: Convert to fraction form
254,584.13/351,337.05 = 141,406.88/x - Step 3: Cross multiply
254,584.13x = 351,337.05 × 141,406.88 - Step 4: Simplify right side
254,584.13x = 49,681,474,312.22 - Step 5: Solve for x
x = 49,681,474,312.22/254,584.13 - Step 6: Final answer
x = 195,147.57
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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.