Finding the Fourth Proportional to 340,244.50, 469,537.68 and 197,012.20
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Solution
The fourth proportional to 340,244.50, 469,537.68 and 197,012.20 is: 271,876.99
Step by Step Solution
- Step 1: Write the proportion equation
340,244.50 : 469,537.68 = 197,012.20 : x - Step 2: Convert to fraction form
340,244.50/469,537.68 = 197,012.20/x - Step 3: Cross multiply
340,244.50x = 469,537.68 × 197,012.20 - Step 4: Simplify right side
340,244.50x = 92,504,651,319.70 - Step 5: Solve for x
x = 92,504,651,319.70/340,244.50 - Step 6: Final answer
x = 271,876.99
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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.