Finding the Fourth Proportional to 309,709.82, 464,733.99 and 120,177.62
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Solution
The fourth proportional to 309,709.82, 464,733.99 and 120,177.62 is: 180,332.11
Step by Step Solution
- Step 1: Write the proportion equation
309,709.82 : 464,733.99 = 120,177.62 : x - Step 2: Convert to fraction form
309,709.82/464,733.99 = 120,177.62/x - Step 3: Cross multiply
309,709.82x = 464,733.99 × 120,177.62 - Step 4: Simplify right side
309,709.82x = 55,850,624,851.30 - Step 5: Solve for x
x = 55,850,624,851.30/309,709.82 - Step 6: Final answer
x = 180,332.11
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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.