Finding the Fourth Proportional to 133,241.40, 183,875.40 and 79,515.99
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Solution
The fourth proportional to 133,241.40, 183,875.40 and 79,515.99 is: 109,733.42
Step by Step Solution
- Step 1: Write the proportion equation
133,241.40 : 183,875.40 = 79,515.99 : x - Step 2: Convert to fraction form
133,241.40/183,875.40 = 79,515.99/x - Step 3: Cross multiply
133,241.40x = 183,875.40 × 79,515.99 - Step 4: Simplify right side
133,241.40x = 14,621,034,467.65 - Step 5: Solve for x
x = 14,621,034,467.65/133,241.40 - Step 6: Final answer
x = 109,733.42
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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.