Finding the Fourth Proportional to 299,075.08, 412,722.12 and 164,939.08
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Solution
The fourth proportional to 299,075.08, 412,722.12 and 164,939.08 is: 227,615.11
Step by Step Solution
- Step 1: Write the proportion equation
299,075.08 : 412,722.12 = 164,939.08 : x - Step 2: Convert to fraction form
299,075.08/412,722.12 = 164,939.08/x - Step 3: Cross multiply
299,075.08x = 412,722.12 × 164,939.08 - Step 4: Simplify right side
299,075.08x = 68,074,006,768.45 - Step 5: Solve for x
x = 68,074,006,768.45/299,075.08 - Step 6: Final answer
x = 227,615.11
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1.5x scale
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.