Finding the Fourth Proportional to 299,602.27, 449,404.62 and 74,962.09
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Solution
The fourth proportional to 299,602.27, 449,404.62 and 74,962.09 is: 112,443.44
Step by Step Solution
- Step 1: Write the proportion equation
299,602.27 : 449,404.62 = 74,962.09 : x - Step 2: Convert to fraction form
299,602.27/449,404.62 = 74,962.09/x - Step 3: Cross multiply
299,602.27x = 449,404.62 × 74,962.09 - Step 4: Simplify right side
299,602.27x = 33,688,309,008.96 - Step 5: Solve for x
x = 33,688,309,008.96/299,602.27 - Step 6: Final answer
x = 112,443.44
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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.