Finding the Fourth Proportional to 239,694.84, 330,819.12 and 144,210.42
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Solution
The fourth proportional to 239,694.84, 330,819.12 and 144,210.42 is: 199,034.59
Step by Step Solution
- Step 1: Write the proportion equation
239,694.84 : 330,819.12 = 144,210.42 : x - Step 2: Convert to fraction form
239,694.84/330,819.12 = 144,210.42/x - Step 3: Cross multiply
239,694.84x = 330,819.12 × 144,210.42 - Step 4: Simplify right side
239,694.84x = 47,707,564,239.23 - Step 5: Solve for x
x = 47,707,564,239.23/239,694.84 - Step 6: Final answer
x = 199,034.59
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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.