Finding the Fourth Proportional to 212,625.84, 293,360.88 and 126,515.80
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Solution
The fourth proportional to 212,625.84, 293,360.88 and 126,515.80 is: 174,554.45
Step by Step Solution
- Step 1: Write the proportion equation
212,625.84 : 293,360.88 = 126,515.80 : x - Step 2: Convert to fraction form
212,625.84/293,360.88 = 126,515.80/x - Step 3: Cross multiply
212,625.84x = 293,360.88 × 126,515.80 - Step 4: Simplify right side
212,625.84x = 37,114,786,421.90 - Step 5: Solve for x
x = 37,114,786,421.90/212,625.84 - Step 6: Final answer
x = 174,554.45
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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.