Finding the Fourth Proportional to 219,289.14, 302,624.91 and 133,218.84
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Solution
The fourth proportional to 219,289.14, 302,624.91 and 133,218.84 is: 183,845.58
Step by Step Solution
- Step 1: Write the proportion equation
219,289.14 : 302,624.91 = 133,218.84 : x - Step 2: Convert to fraction form
219,289.14/302,624.91 = 133,218.84/x - Step 3: Cross multiply
219,289.14x = 302,624.91 × 133,218.84 - Step 4: Simplify right side
219,289.14x = 40,315,339,465.30 - Step 5: Solve for x
x = 40,315,339,465.30/219,289.14 - Step 6: Final answer
x = 183,845.58
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1.5x scale
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.