Finding the Fourth Proportional to 271,613.80, 407,420.70 and 197,885.80
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Solution
The fourth proportional to 271,613.80, 407,420.70 and 197,885.80 is: 296,828.70
Step by Step Solution
- Step 1: Write the proportion equation
271,613.80 : 407,420.70 = 197,885.80 : x - Step 2: Convert to fraction form
271,613.80/407,420.70 = 197,885.80/x - Step 3: Cross multiply
271,613.80x = 407,420.70 × 197,885.80 - Step 4: Simplify right side
271,613.80x = 80,622,771,156.06 - Step 5: Solve for x
x = 80,622,771,156.06/271,613.80 - Step 6: Final answer
x = 296,828.70
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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.