Finding the Fourth Proportional to 380,048.36, 524,483.30 and 210,282.48
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Solution
The fourth proportional to 380,048.36, 524,483.30 and 210,282.48 is: 290,198.99
Step by Step Solution
- Step 1: Write the proportion equation
380,048.36 : 524,483.30 = 210,282.48 : x - Step 2: Convert to fraction form
380,048.36/524,483.30 = 210,282.48/x - Step 3: Cross multiply
380,048.36x = 524,483.30 × 210,282.48 - Step 4: Simplify right side
380,048.36x = 110,289,649,568.29 - Step 5: Solve for x
x = 110,289,649,568.29/380,048.36 - Step 6: Final answer
x = 290,198.99
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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.