Finding the Fourth Proportional to 349,660.80, 524,491.20 and 207,943.20
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Solution
The fourth proportional to 349,660.80, 524,491.20 and 207,943.20 is: 311,914.80
Step by Step Solution
- Step 1: Write the proportion equation
349,660.80 : 524,491.20 = 207,943.20 : x - Step 2: Convert to fraction form
349,660.80/524,491.20 = 207,943.20/x - Step 3: Cross multiply
349,660.80x = 524,491.20 × 207,943.20 - Step 4: Simplify right side
349,660.80x = 109,064,378,499.84 - Step 5: Solve for x
x = 109,064,378,499.84/349,660.80 - Step 6: Final answer
x = 311,914.80
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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.