Finding the Fourth Proportional to 187,717.60, 281,574.02 and 45,563.99
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Solution
The fourth proportional to 187,717.60, 281,574.02 and 45,563.99 is: 68,345.40
Step by Step Solution
- Step 1: Write the proportion equation
187,717.60 : 281,574.02 = 45,563.99 : x - Step 2: Convert to fraction form
187,717.60/281,574.02 = 45,563.99/x - Step 3: Cross multiply
187,717.60x = 281,574.02 × 45,563.99 - Step 4: Simplify right side
187,717.60x = 12,829,634,537.58 - Step 5: Solve for x
x = 12,829,634,537.58/187,717.60 - Step 6: Final answer
x = 68,345.40
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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.