Finding the Fourth Proportional to 219,287.26, 302,623.74 and 134,387.92
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Solution
The fourth proportional to 219,287.26, 302,623.74 and 134,387.92 is: 185,459.82
Step by Step Solution
- Step 1: Write the proportion equation
219,287.26 : 302,623.74 = 134,387.92 : x - Step 2: Convert to fraction form
219,287.26/302,623.74 = 134,387.92/x - Step 3: Cross multiply
219,287.26x = 302,623.74 × 134,387.92 - Step 4: Simplify right side
219,287.26x = 40,668,974,961.22 - Step 5: Solve for x
x = 40,668,974,961.22/219,287.26 - Step 6: Final answer
x = 185,459.82
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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.