Finding the Fourth Proportional to 299,636.20, 448,884.06 and 159,460.84
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Solution
The fourth proportional to 299,636.20, 448,884.06 and 159,460.84 is: 238,887.79
Step by Step Solution
- Step 1: Write the proportion equation
299,636.20 : 448,884.06 = 159,460.84 : x - Step 2: Convert to fraction form
299,636.20/448,884.06 = 159,460.84/x - Step 3: Cross multiply
299,636.20x = 448,884.06 × 159,460.84 - Step 4: Simplify right side
299,636.20x = 71,579,429,270.21 - Step 5: Solve for x
x = 71,579,429,270.21/299,636.20 - Step 6: Final answer
x = 238,887.79
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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.