Finding the Fourth Proportional to 301,671.18, 416,447.73 and 174,321.90
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Solution
The fourth proportional to 301,671.18, 416,447.73 and 174,321.90 is: 240,645.99
Step by Step Solution
- Step 1: Write the proportion equation
301,671.18 : 416,447.73 = 174,321.90 : x - Step 2: Convert to fraction form
301,671.18/416,447.73 = 174,321.90/x - Step 3: Cross multiply
301,671.18x = 416,447.73 × 174,321.90 - Step 4: Simplify right side
301,671.18x = 72,595,959,544.29 - Step 5: Solve for x
x = 72,595,959,544.29/301,671.18 - Step 6: Final answer
x = 240,645.99
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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.