Finding the Fourth Proportional to 307,649.79, 461,471.95 and 107,923.39
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Solution
The fourth proportional to 307,649.79, 461,471.95 and 107,923.39 is: 161,884.12
Step by Step Solution
- Step 1: Write the proportion equation
307,649.79 : 461,471.95 = 107,923.39 : x - Step 2: Convert to fraction form
307,649.79/461,471.95 = 107,923.39/x - Step 3: Cross multiply
307,649.79x = 461,471.95 × 107,923.39 - Step 4: Simplify right side
307,649.79x = 49,803,616,215.13 - Step 5: Solve for x
x = 49,803,616,215.13/307,649.79 - Step 6: Final answer
x = 161,884.12
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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.