Finding the Fourth Proportional to 299,579.70, 449,434.35 and 99,866.10
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Solution
The fourth proportional to 299,579.70, 449,434.35 and 99,866.10 is: 149,820.75
Step by Step Solution
- Step 1: Write the proportion equation
299,579.70 : 449,434.35 = 99,866.10 : x - Step 2: Convert to fraction form
299,579.70/449,434.35 = 99,866.10/x - Step 3: Cross multiply
299,579.70x = 449,434.35 × 99,866.10 - Step 4: Simplify right side
299,579.70x = 44,883,255,740.54 - Step 5: Solve for x
x = 44,883,255,740.54/299,579.70 - Step 6: Final answer
x = 149,820.75
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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.