Finding the Fourth Proportional to 370,186.22, 555,313.21 and 103,944.94
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Solution
The fourth proportional to 370,186.22, 555,313.21 and 103,944.94 is: 155,926.92
Step by Step Solution
- Step 1: Write the proportion equation
370,186.22 : 555,313.21 = 103,944.94 : x - Step 2: Convert to fraction form
370,186.22/555,313.21 = 103,944.94/x - Step 3: Cross multiply
370,186.22x = 555,313.21 × 103,944.94 - Step 4: Simplify right side
370,186.22x = 57,721,997,036.31 - Step 5: Solve for x
x = 57,721,997,036.31/370,186.22 - Step 6: Final answer
x = 155,926.92
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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.