Finding the Fourth Proportional to 299,140.86, 448,579.86 and 112,021.14
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Solution
The fourth proportional to 299,140.86, 448,579.86 and 112,021.14 is: 167,982.49
Step by Step Solution
- Step 1: Write the proportion equation
299,140.86 : 448,579.86 = 112,021.14 : x - Step 2: Convert to fraction form
299,140.86/448,579.86 = 112,021.14/x - Step 3: Cross multiply
299,140.86x = 448,579.86 × 112,021.14 - Step 4: Simplify right side
299,140.86x = 50,250,427,298.24 - Step 5: Solve for x
x = 50,250,427,298.24/299,140.86 - Step 6: Final answer
x = 167,982.49
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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.