Finding the Fourth Proportional to 727,187.94, 1,090,900.10 and 214,905.06
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Solution
The fourth proportional to 727,187.94, 1,090,900.10 and 214,905.06 is: 322,392.52
Step by Step Solution
- Step 1: Write the proportion equation
727,187.94 : 1,090,900.10 = 214,905.06 : x - Step 2: Convert to fraction form
727,187.94/1,090,900.10 = 214,905.06/x - Step 3: Cross multiply
727,187.94x = 1,090,900.10 × 214,905.06 - Step 4: Simplify right side
727,187.94x = 234,439,951,444.51 - Step 5: Solve for x
x = 234,439,951,444.51/727,187.94 - Step 6: Final answer
x = 322,392.52
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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.