Finding the Fourth Proportional to 331,388.68, 457,321.44 and 180,485.68
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Solution
The fourth proportional to 331,388.68, 457,321.44 and 180,485.68 is: 249,073.00
Step by Step Solution
- Step 1: Write the proportion equation
331,388.68 : 457,321.44 = 180,485.68 : x - Step 2: Convert to fraction form
331,388.68/457,321.44 = 180,485.68/x - Step 3: Cross multiply
331,388.68x = 457,321.44 × 180,485.68 - Step 4: Simplify right side
331,388.68x = 82,539,971,076.98 - Step 5: Solve for x
x = 82,539,971,076.98/331,388.68 - Step 6: Final answer
x = 249,073.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.