Finding the Fourth Proportional to 414,439.02, 621,733.68 and 171,280.49
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Solution
The fourth proportional to 414,439.02, 621,733.68 and 171,280.49 is: 256,951.79
Step by Step Solution
- Step 1: Write the proportion equation
414,439.02 : 621,733.68 = 171,280.49 : x - Step 2: Convert to fraction form
414,439.02/621,733.68 = 171,280.49/x - Step 3: Cross multiply
414,439.02x = 621,733.68 × 171,280.49 - Step 4: Simplify right side
414,439.02x = 106,490,846,251.24 - Step 5: Solve for x
x = 106,490,846,251.24/414,439.02 - Step 6: Final answer
x = 256,951.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.