Finding the Fourth Proportional to 254,880.68, 382,296.28 and 77,389.23
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Solution
The fourth proportional to 254,880.68, 382,296.28 and 77,389.23 is: 116,076.33
Step by Step Solution
- Step 1: Write the proportion equation
254,880.68 : 382,296.28 = 77,389.23 : x - Step 2: Convert to fraction form
254,880.68/382,296.28 = 77,389.23/x - Step 3: Cross multiply
254,880.68x = 382,296.28 × 77,389.23 - Step 4: Simplify right side
254,880.68x = 29,585,614,741.06 - Step 5: Solve for x
x = 29,585,614,741.06/254,880.68 - Step 6: Final answer
x = 116,076.33
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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.