Finding the Fourth Proportional to 299,610.26, 449,416.62 and 74,970.08
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Solution
The fourth proportional to 299,610.26, 449,416.62 and 74,970.08 is: 112,455.43
Step by Step Solution
- Step 1: Write the proportion equation
299,610.26 : 449,416.62 = 74,970.08 : x - Step 2: Convert to fraction form
299,610.26/449,416.62 = 74,970.08/x - Step 3: Cross multiply
299,610.26x = 449,416.62 × 74,970.08 - Step 4: Simplify right side
299,610.26x = 33,692,799,954.73 - Step 5: Solve for x
x = 33,692,799,954.73/299,610.26 - Step 6: Final answer
x = 112,455.43
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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.