Finding the Fourth Proportional to 98,614.31, 148,052.70 and 51,899.99
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Solution
The fourth proportional to 98,614.31, 148,052.70 and 51,899.99 is: 77,919.05
Step by Step Solution
- Step 1: Write the proportion equation
98,614.31 : 148,052.70 = 51,899.99 : x - Step 2: Convert to fraction form
98,614.31/148,052.70 = 51,899.99/x - Step 3: Cross multiply
98,614.31x = 148,052.70 × 51,899.99 - Step 4: Simplify right side
98,614.31x = 7,683,933,649.47 - Step 5: Solve for x
x = 7,683,933,649.47/98,614.31 - Step 6: Final answer
x = 77,919.05
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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.