Finding the Fourth Proportional to 323,330.04, 445,732.74 and 227,539.08
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Solution
The fourth proportional to 323,330.04, 445,732.74 and 227,539.08 is: 313,678.30
Step by Step Solution
- Step 1: Write the proportion equation
323,330.04 : 445,732.74 = 227,539.08 : x - Step 2: Convert to fraction form
323,330.04/445,732.74 = 227,539.08/x - Step 3: Cross multiply
323,330.04x = 445,732.74 × 227,539.08 - Step 4: Simplify right side
323,330.04x = 101,421,617,585.48 - Step 5: Solve for x
x = 101,421,617,585.48/323,330.04 - Step 6: Final answer
x = 313,678.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.