Finding the Fourth Proportional to 299,152.80, 412,840.08 and 171,853.92
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Solution
The fourth proportional to 299,152.80, 412,840.08 and 171,853.92 is: 237,163.70
Step by Step Solution
- Step 1: Write the proportion equation
299,152.80 : 412,840.08 = 171,853.92 : x - Step 2: Convert to fraction form
299,152.80/412,840.08 = 171,853.92/x - Step 3: Cross multiply
299,152.80x = 412,840.08 × 171,853.92 - Step 4: Simplify right side
299,152.80x = 70,948,186,081.11 - Step 5: Solve for x
x = 70,948,186,081.11/299,152.80 - Step 6: Final answer
x = 237,163.70
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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.