Finding the Fourth Proportional to 345,649.68, 518,472.09 and 96,331.68
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Solution
The fourth proportional to 345,649.68, 518,472.09 and 96,331.68 is: 144,496.84
Step by Step Solution
- Step 1: Write the proportion equation
345,649.68 : 518,472.09 = 96,331.68 : x - Step 2: Convert to fraction form
345,649.68/518,472.09 = 96,331.68/x - Step 3: Cross multiply
345,649.68x = 518,472.09 × 96,331.68 - Step 4: Simplify right side
345,649.68x = 49,945,287,462.81 - Step 5: Solve for x
x = 49,945,287,462.81/345,649.68 - Step 6: Final answer
x = 144,496.84
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1.5x scale
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.