Finding the Fourth Proportional to 612,956.63, 919,434.95 and 169,724.63
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Solution
The fourth proportional to 612,956.63, 919,434.95 and 169,724.63 is: 254,586.94
Step by Step Solution
- Step 1: Write the proportion equation
612,956.63 : 919,434.95 = 169,724.63 : x - Step 2: Convert to fraction form
612,956.63/919,434.95 = 169,724.63/x - Step 3: Cross multiply
612,956.63x = 919,434.95 × 169,724.63 - Step 4: Simplify right side
612,956.63x = 156,050,751,252.02 - Step 5: Solve for x
x = 156,050,751,252.02/612,956.63 - Step 6: Final answer
x = 254,586.94
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1.5x scale
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.