Finding the Fourth Proportional to 384,184.76, 530,244.36 and 229,145.99
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Solution
The fourth proportional to 384,184.76, 530,244.36 and 229,145.99 is: 316,262.85
Step by Step Solution
- Step 1: Write the proportion equation
384,184.76 : 530,244.36 = 229,145.99 : x - Step 2: Convert to fraction form
384,184.76/530,244.36 = 229,145.99/x - Step 3: Cross multiply
384,184.76x = 530,244.36 × 229,145.99 - Step 4: Simplify right side
384,184.76x = 121,503,368,814.12 - Step 5: Solve for x
x = 121,503,368,814.12/384,184.76 - Step 6: Final answer
x = 316,262.85
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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.