Finding the Fourth Proportional to 386,611.02, 579,440.61 and 184,313.70
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Solution
The fourth proportional to 386,611.02, 579,440.61 and 184,313.70 is: 276,243.66
Step by Step Solution
- Step 1: Write the proportion equation
386,611.02 : 579,440.61 = 184,313.70 : x - Step 2: Convert to fraction form
386,611.02/579,440.61 = 184,313.70/x - Step 3: Cross multiply
386,611.02x = 579,440.61 × 184,313.70 - Step 4: Simplify right side
386,611.02x = 106,798,842,759.36 - Step 5: Solve for x
x = 106,798,842,759.36/386,611.02 - Step 6: Final answer
x = 276,243.66
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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.