Finding the Fourth Proportional to 657,296.96, 986,054.40 and 230,722.09
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Solution
The fourth proportional to 657,296.96, 986,054.40 and 230,722.09 is: 346,121.39
Step by Step Solution
- Step 1: Write the proportion equation
657,296.96 : 986,054.40 = 230,722.09 : x - Step 2: Convert to fraction form
657,296.96/986,054.40 = 230,722.09/x - Step 3: Cross multiply
657,296.96x = 986,054.40 × 230,722.09 - Step 4: Simplify right side
657,296.96x = 227,504,534,432.00 - Step 5: Solve for x
x = 227,504,534,432.00/657,296.96 - Step 6: Final answer
x = 346,121.39
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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.