Finding the Fourth Proportional to 254,756.10, 382,135.77 and 74,840.79
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Solution
The fourth proportional to 254,756.10, 382,135.77 and 74,840.79 is: 112,261.66
Step by Step Solution
- Step 1: Write the proportion equation
254,756.10 : 382,135.77 = 74,840.79 : x - Step 2: Convert to fraction form
254,756.10/382,135.77 = 74,840.79/x - Step 3: Cross multiply
254,756.10x = 382,135.77 × 74,840.79 - Step 4: Simplify right side
254,756.10x = 28,599,342,914.06 - Step 5: Solve for x
x = 28,599,342,914.06/254,756.10 - Step 6: Final answer
x = 112,261.66
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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.