Finding the Fourth Proportional to 133,103.24, 183,616.16 and 79,350.38
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Solution
The fourth proportional to 133,103.24, 183,616.16 and 79,350.38 is: 109,463.99
Step by Step Solution
- Step 1: Write the proportion equation
133,103.24 : 183,616.16 = 79,350.38 : x - Step 2: Convert to fraction form
133,103.24/183,616.16 = 79,350.38/x - Step 3: Cross multiply
133,103.24x = 183,616.16 × 79,350.38 - Step 4: Simplify right side
133,103.24x = 14,570,012,070.14 - Step 5: Solve for x
x = 14,570,012,070.14/133,103.24 - Step 6: Final answer
x = 109,463.99
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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.