Finding the Fourth Proportional to 85,522.14, 128,283.21 and 23,191.02
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Solution
The fourth proportional to 85,522.14, 128,283.21 and 23,191.02 is: 34,786.53
Step by Step Solution
- Step 1: Write the proportion equation
85,522.14 : 128,283.21 = 23,191.02 : x - Step 2: Convert to fraction form
85,522.14/128,283.21 = 23,191.02/x - Step 3: Cross multiply
85,522.14x = 128,283.21 × 23,191.02 - Step 4: Simplify right side
85,522.14x = 2,975,018,488.77 - Step 5: Solve for x
x = 2,975,018,488.77/85,522.14 - Step 6: Final answer
x = 34,786.53
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Similar ratio
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1.5x scale
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.