Finding the Fourth Proportional to 295,201.60, 442,348.80 and 219,968.80
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Solution
The fourth proportional to 295,201.60, 442,348.80 and 219,968.80 is: 329,615.20
Step by Step Solution
- Step 1: Write the proportion equation
295,201.60 : 442,348.80 = 219,968.80 : x - Step 2: Convert to fraction form
295,201.60/442,348.80 = 219,968.80/x - Step 3: Cross multiply
295,201.60x = 442,348.80 × 219,968.80 - Step 4: Simplify right side
295,201.60x = 97,302,934,717.44 - Step 5: Solve for x
x = 97,302,934,717.44/295,201.60 - Step 6: Final answer
x = 329,615.20
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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.