Finding the Fourth Proportional to 154,625.19, 213,291.14 and 97,938.15
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Solution
The fourth proportional to 154,625.19, 213,291.14 and 97,938.15 is: 135,096.61
Step by Step Solution
- Step 1: Write the proportion equation
154,625.19 : 213,291.14 = 97,938.15 : x - Step 2: Convert to fraction form
154,625.19/213,291.14 = 97,938.15/x - Step 3: Cross multiply
154,625.19x = 213,291.14 × 97,938.15 - Step 4: Simplify right side
154,625.19x = 20,889,339,173.30 - Step 5: Solve for x
x = 20,889,339,173.30/154,625.19 - Step 6: Final answer
x = 135,096.61
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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.