Finding the Fourth Proportional to 299,138.04, 412,810.88 and 171,838.26
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Solution
The fourth proportional to 299,138.04, 412,810.88 and 171,838.26 is: 237,137.02
Step by Step Solution
- Step 1: Write the proportion equation
299,138.04 : 412,810.88 = 171,838.26 : x - Step 2: Convert to fraction form
299,138.04/412,810.88 = 171,838.26/x - Step 3: Cross multiply
299,138.04x = 412,810.88 × 171,838.26 - Step 4: Simplify right side
299,138.04x = 70,936,702,469.08 - Step 5: Solve for x
x = 70,936,702,469.08/299,138.04 - Step 6: Final answer
x = 237,137.02
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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.