Finding the Fourth Proportional to 254,177.98, 381,000.92 and 85,640.08
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Solution
The fourth proportional to 254,177.98, 381,000.92 and 85,640.08 is: 128,370.48
Step by Step Solution
- Step 1: Write the proportion equation
254,177.98 : 381,000.92 = 85,640.08 : x - Step 2: Convert to fraction form
254,177.98/381,000.92 = 85,640.08/x - Step 3: Cross multiply
254,177.98x = 381,000.92 × 85,640.08 - Step 4: Simplify right side
254,177.98x = 32,628,949,268.87 - Step 5: Solve for x
x = 32,628,949,268.87/254,177.98 - Step 6: Final answer
x = 128,370.48
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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.