Finding the Fourth Proportional to 356,608.63, 535,579.17 and 313,929.19
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Solution
The fourth proportional to 356,608.63, 535,579.17 and 313,929.19 is: 471,480.28
Step by Step Solution
- Step 1: Write the proportion equation
356,608.63 : 535,579.17 = 313,929.19 : x - Step 2: Convert to fraction form
356,608.63/535,579.17 = 313,929.19/x - Step 3: Cross multiply
356,608.63x = 535,579.17 × 313,929.19 - Step 4: Simplify right side
356,608.63x = 168,133,935,018.97 - Step 5: Solve for x
x = 168,133,935,018.97/356,608.63 - Step 6: Final answer
x = 471,480.28
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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.