Finding the Fourth Proportional to 99,424.96, 149,136.68 and 29,303.28
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Solution
The fourth proportional to 99,424.96, 149,136.68 and 29,303.28 is: 43,954.70
Step by Step Solution
- Step 1: Write the proportion equation
99,424.96 : 149,136.68 = 29,303.28 : x - Step 2: Convert to fraction form
99,424.96/149,136.68 = 29,303.28/x - Step 3: Cross multiply
99,424.96x = 149,136.68 × 29,303.28 - Step 4: Simplify right side
99,424.96x = 4,370,193,892.31 - Step 5: Solve for x
x = 4,370,193,892.31/99,424.96 - Step 6: Final answer
x = 43,954.70
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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.