Finding the Fourth Proportional to 330,124.08, 455,679.63 and 194,152.08
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Solution
The fourth proportional to 330,124.08, 455,679.63 and 194,152.08 is: 267,993.62
Step by Step Solution
- Step 1: Write the proportion equation
330,124.08 : 455,679.63 = 194,152.08 : x - Step 2: Convert to fraction form
330,124.08/455,679.63 = 194,152.08/x - Step 3: Cross multiply
330,124.08x = 455,679.63 × 194,152.08 - Step 4: Simplify right side
330,124.08x = 88,471,147,978.13 - Step 5: Solve for x
x = 88,471,147,978.13/330,124.08 - Step 6: Final answer
x = 267,993.62
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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.