Finding the Fourth Proportional to 219,324.16, 328,988.16 and 53,112.32
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Solution
The fourth proportional to 219,324.16, 328,988.16 and 53,112.32 is: 79,668.94
Step by Step Solution
- Step 1: Write the proportion equation
219,324.16 : 328,988.16 = 53,112.32 : x - Step 2: Convert to fraction form
219,324.16/328,988.16 = 53,112.32/x - Step 3: Cross multiply
219,324.16x = 328,988.16 × 53,112.32 - Step 4: Simplify right side
219,324.16x = 17,473,324,430.13 - Step 5: Solve for x
x = 17,473,324,430.13/219,324.16 - Step 6: Final answer
x = 79,668.94
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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.