Finding the Fourth Proportional to 313,565.84, 432,721.68 and 170,324.72
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Solution
The fourth proportional to 313,565.84, 432,721.68 and 170,324.72 is: 235,048.56
Step by Step Solution
- Step 1: Write the proportion equation
313,565.84 : 432,721.68 = 170,324.72 : x - Step 2: Convert to fraction form
313,565.84/432,721.68 = 170,324.72/x - Step 3: Cross multiply
313,565.84x = 432,721.68 × 170,324.72 - Step 4: Simplify right side
313,565.84x = 73,703,198,983.93 - Step 5: Solve for x
x = 73,703,198,983.93/313,565.84 - Step 6: Final answer
x = 235,048.56
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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.