Finding the Fourth Proportional to 450,997.65, 622,386.81 and 257,401.49
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Solution
The fourth proportional to 450,997.65, 622,386.81 and 257,401.49 is: 355,219.79
Step by Step Solution
- Step 1: Write the proportion equation
450,997.65 : 622,386.81 = 257,401.49 : x - Step 2: Convert to fraction form
450,997.65/622,386.81 = 257,401.49/x - Step 3: Cross multiply
450,997.65x = 622,386.81 × 257,401.49 - Step 4: Simplify right side
450,997.65x = 160,203,289,138.41 - Step 5: Solve for x
x = 160,203,289,138.41/450,997.65 - Step 6: Final answer
x = 355,219.79
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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.