Finding the Fourth Proportional to 250,491.18, 345,679.11 and 135,769.98
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Solution
The fourth proportional to 250,491.18, 345,679.11 and 135,769.98 is: 187,363.27
Step by Step Solution
- Step 1: Write the proportion equation
250,491.18 : 345,679.11 = 135,769.98 : x - Step 2: Convert to fraction form
250,491.18/345,679.11 = 135,769.98/x - Step 3: Cross multiply
250,491.18x = 345,679.11 × 135,769.98 - Step 4: Simplify right side
250,491.18x = 46,932,845,851.12 - Step 5: Solve for x
x = 46,932,845,851.12/250,491.18 - Step 6: Final answer
x = 187,363.27
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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.