Finding the Fourth Proportional to 320,977.44, 442,948.58 and 177,737.48
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Solution
The fourth proportional to 320,977.44, 442,948.58 and 177,737.48 is: 245,277.56
Step by Step Solution
- Step 1: Write the proportion equation
320,977.44 : 442,948.58 = 177,737.48 : x - Step 2: Convert to fraction form
320,977.44/442,948.58 = 177,737.48/x - Step 3: Cross multiply
320,977.44x = 442,948.58 × 177,737.48 - Step 4: Simplify right side
320,977.44x = 78,728,562,164.04 - Step 5: Solve for x
x = 78,728,562,164.04/320,977.44 - Step 6: Final answer
x = 245,277.56
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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.