Finding the Fourth Proportional to 254,977.98, 351,877.97 and 140,265.42
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Solution
The fourth proportional to 254,977.98, 351,877.97 and 140,265.42 is: 193,570.88
Step by Step Solution
- Step 1: Write the proportion equation
254,977.98 : 351,877.97 = 140,265.42 : x - Step 2: Convert to fraction form
254,977.98/351,877.97 = 140,265.42/x - Step 3: Cross multiply
254,977.98x = 351,877.97 × 140,265.42 - Step 4: Simplify right side
254,977.98x = 49,356,312,261.23 - Step 5: Solve for x
x = 49,356,312,261.23/254,977.98 - Step 6: Final answer
x = 193,570.88
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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.