Finding the Fourth Proportional to 99,681.42, 149,496.66 and 29,544.36
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Solution
The fourth proportional to 99,681.42, 149,496.66 and 29,544.36 is: 44,308.99
Step by Step Solution
- Step 1: Write the proportion equation
99,681.42 : 149,496.66 = 29,544.36 : x - Step 2: Convert to fraction form
99,681.42/149,496.66 = 29,544.36/x - Step 3: Cross multiply
99,681.42x = 149,496.66 × 29,544.36 - Step 4: Simplify right side
99,681.42x = 4,416,783,141.84 - Step 5: Solve for x
x = 4,416,783,141.84/99,681.42 - Step 6: Final answer
x = 44,308.99
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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.