Finding the Fourth Proportional to 341,638.24, 512,457.36 and 173,132.32
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Solution
The fourth proportional to 341,638.24, 512,457.36 and 173,132.32 is: 259,698.48
Step by Step Solution
- Step 1: Write the proportion equation
341,638.24 : 512,457.36 = 173,132.32 : x - Step 2: Convert to fraction form
341,638.24/512,457.36 = 173,132.32/x - Step 3: Cross multiply
341,638.24x = 512,457.36 × 173,132.32 - Step 4: Simplify right side
341,638.24x = 88,722,931,637.88 - Step 5: Solve for x
x = 88,722,931,637.88/341,638.24 - Step 6: Final answer
x = 259,698.48
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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.