Finding the Fourth Proportional to 302,879.04, 417,689.58 and 239,368.56
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Solution
The fourth proportional to 302,879.04, 417,689.58 and 239,368.56 is: 330,104.56
Step by Step Solution
- Step 1: Write the proportion equation
302,879.04 : 417,689.58 = 239,368.56 : x - Step 2: Convert to fraction form
302,879.04/417,689.58 = 239,368.56/x - Step 3: Cross multiply
302,879.04x = 417,689.58 × 239,368.56 - Step 4: Simplify right side
302,879.04x = 99,981,753,291.60 - Step 5: Solve for x
x = 99,981,753,291.60/302,879.04 - Step 6: Final answer
x = 330,104.56
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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.