Finding the Fourth Proportional to 341,645.40, 512,492.40 and 104,987.70
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Solution
The fourth proportional to 341,645.40, 512,492.40 and 104,987.70 is: 157,489.02
Step by Step Solution
- Step 1: Write the proportion equation
341,645.40 : 512,492.40 = 104,987.70 : x - Step 2: Convert to fraction form
341,645.40/512,492.40 = 104,987.70/x - Step 3: Cross multiply
341,645.40x = 512,492.40 × 104,987.70 - Step 4: Simplify right side
341,645.40x = 53,805,398,343.48 - Step 5: Solve for x
x = 53,805,398,343.48/341,645.40 - Step 6: Final answer
x = 157,489.02
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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.