Finding the Fourth Proportional to 251,514.99, 347,140.00 and 144,156.98
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Solution
The fourth proportional to 251,514.99, 347,140.00 and 144,156.98 is: 198,964.89
Step by Step Solution
- Step 1: Write the proportion equation
251,514.99 : 347,140.00 = 144,156.98 : x - Step 2: Convert to fraction form
251,514.99/347,140.00 = 144,156.98/x - Step 3: Cross multiply
251,514.99x = 347,140.00 × 144,156.98 - Step 4: Simplify right side
251,514.99x = 50,042,651,941.11 - Step 5: Solve for x
x = 50,042,651,941.11/251,514.99 - Step 6: Final answer
x = 198,964.89
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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.