Finding the Fourth Proportional to 141,310.70, 211,966.05 and 122,283.80
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Solution
The fourth proportional to 141,310.70, 211,966.05 and 122,283.80 is: 183,425.70
Step by Step Solution
- Step 1: Write the proportion equation
141,310.70 : 211,966.05 = 122,283.80 : x - Step 2: Convert to fraction form
141,310.70/211,966.05 = 122,283.80/x - Step 3: Cross multiply
141,310.70x = 211,966.05 × 122,283.80 - Step 4: Simplify right side
141,310.70x = 25,920,014,064.99 - Step 5: Solve for x
x = 25,920,014,064.99/141,310.70 - Step 6: Final answer
x = 183,425.70
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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.