Finding the Fourth Proportional to 307,945.99, 461,948.15 and 120,913.75
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Solution
The fourth proportional to 307,945.99, 461,948.15 and 120,913.75 is: 181,382.08
Step by Step Solution
- Step 1: Write the proportion equation
307,945.99 : 461,948.15 = 120,913.75 : x - Step 2: Convert to fraction form
307,945.99/461,948.15 = 120,913.75/x - Step 3: Cross multiply
307,945.99x = 461,948.15 × 120,913.75 - Step 4: Simplify right side
307,945.99x = 55,855,883,122.06 - Step 5: Solve for x
x = 55,855,883,122.06/307,945.99 - Step 6: Final answer
x = 181,382.08
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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.