Finding the Fourth Proportional to 149,493.81, 224,113.72 and 69,578.19
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Solution
The fourth proportional to 149,493.81, 224,113.72 and 69,578.19 is: 104,308.17
Step by Step Solution
- Step 1: Write the proportion equation
149,493.81 : 224,113.72 = 69,578.19 : x - Step 2: Convert to fraction form
149,493.81/224,113.72 = 69,578.19/x - Step 3: Cross multiply
149,493.81x = 224,113.72 × 69,578.19 - Step 4: Simplify right side
149,493.81x = 15,593,426,817.82 - Step 5: Solve for x
x = 15,593,426,817.82/149,493.81 - Step 6: Final answer
x = 104,308.17
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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.