Finding the Fourth Proportional to 302,879.21, 454,326.11 and 144,934.07
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Solution
The fourth proportional to 302,879.21, 454,326.11 and 144,934.07 is: 217,404.59
Step by Step Solution
- Step 1: Write the proportion equation
302,879.21 : 454,326.11 = 144,934.07 : x - Step 2: Convert to fraction form
302,879.21/454,326.11 = 144,934.07/x - Step 3: Cross multiply
302,879.21x = 454,326.11 × 144,934.07 - Step 4: Simplify right side
302,879.21x = 65,847,331,504.90 - Step 5: Solve for x
x = 65,847,331,504.90/302,879.21 - Step 6: Final answer
x = 217,404.59
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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.